-Abe, R.; Ohtani, K., An ethnobotanical study of medicinal plants and traditional therapies on Batan Island, the Philippines. Journal of Ethnopharmacology 2013, 145 (2), 554-565.
-Adibi, F.; Ejtehadi, H., Population ecology of Ribes khorasanicum an endemic plant species to north of Khorasan, Iran. Journal of Biology 2009, 3, 748-759.(In Persian)
-Akhavan, R.; Sagheb-Talebi, K.; Zenner, E.; Safavimanesh, F., Spatial patterns in different forest development stages of an intact old-growth Oriental beech forest in the Caspian region of Iran. European Journal of Forest Research 2012, 131 (5), 1355-1366.
-Alexander, S. J.; Oswalt, S. N.; Emery, M. R., Nontimber forest products in the United States: Montreal process indicators as measures of current conditions and sustainability. Gen. Tech. Rep. PNW-GTR-851. Portland, OR: US Department of Agriculture, Forest Service, Pacific Northwest Research Station. 36 p 2011, 851.
-Alijanpour, A., Cornelian cherry (Cornus mas L.) fruit as a non-timber forest product of Arasbaran biosphere reserve forests in Northwest of Iran. Forestry Studies 2017, 67 (1), 72-85.
-Alijanpour, A., Quantitative analysis of fruit production of Cornus mas L. in Arasbaran forests. Journal of Forest Research and Development 2016, 2 (1), 49-62. (In Persian)
-Avocèvou-Ayisso, C.; Sinsin, B.; Adégbidi, A.; Dossou, G.; Van Damme, P., Sustainable use of non-timber forest products: Impact of fruit harvesting on Pentadesma butyracea regeneration and financial analysis of its products trade in Benin. Forest ecology and management 2009, 257 (9), 1930-1938.
-Babaei, H.; Gharehbagheri, A.; Eteraf Oskouei, T.; Delazar, A.; Asnaashari, S.; Bamdad Mogadam, S., Role of endothelium on Vasorelaxant effect of Ribes biebersteinii fruit total extract on rat isolated aorta. Pharmaceutical Sciences 2009, 15 (2), 159-168.
-Belcher, B.; Ruíz-Pérez, M.; Achdiawan, R., Global patterns and trends in the use and management of commercial NTFPs: implications for livelihoods and conservation. World development 2005, 33 (9), 1435-1452.
-Bihamta, M.; Zare Chahouki, A., Principles of statistics for the natural resources science. Tehran: Tehran University. 2008.(In Persian)
-Dash, M.; Behera, B., Determinants of household collection of non-timber forest products (NTFPs) and alternative livelihood activities in Similipal Tiger Reserve, India. Forest Policy and Economics 2016, 73, 215-228.
-Dejene, T.; Lemenih, M.; Bongers, F., Manage or convert Boswellia woodlands? Can frankincense production payoff? Journal of arid environments 2013, 89, 77-83.
-Delazar, A.; Khodaie, L.; Afshar, J.; Nahar, L.; Sarker, S., Isolation and free-radical-scavenging properties of cyanidin 3-O-glycosides from the fruits of Ribes biebersteinii Berl. Acta Pharmaceutica 2010, 60 (1), 1.
-Dogra, R.; Sharma, S.; Sharma, D., Heritability estimates, correlation and path coefficient analysis for fruit yield in walnut (Juglans regia L.). Journal of Pharmacognosy and Phytochemistry 2018, 7 (2), 3707-3714.
-Emad, M.; Gheybi, F.; Rasouli, S. M.; Khanjanzadeh, R.; Mohammadi Jozani, S., Medicinal plant of Ribes biberistentii. Poone publication, 2013. P 40. (In Persian)
-Fu, Y.; Chen, J.; Guo, H.; Chen, A.; Cui, J.; Hu, H., The role of non-timber forest products during agroecosystem shift in Xishuangbanna, southwestern China. Forest Policy and Economics 2009, 11 (1), 18-25.
-Ghanbari, S.; Vaezin, S. M. H.; Shamekhi, T.; Eastin, I. L., Market expansion's influence on the harvesting of non-wood forest products in the Arasbaran forests of Iran. The Forestry Chronicle 2014, 90 (5), 599-604.
-Ghanbari, S.; Heshmatolvaezin S. M.; Shamekhi, T., Identification and economic prioritization of non-wood forest products of Arasbaran forests based on traditional harvest statistics (Case Study: Ilganachay Watershed). Iranian Journal of Forest 2017, 9 (3), 411-425. (In Persian)
-Greene, S. M.; Hammett, A.; Kant, S., Non-timber forest products marketing systems and market players in Southwest Virginia: Crafts, medicinal and herbal, and specialty wood products. Journal of Sustainable Forestry 2000, 11 (3), 19-39.
-Hamilton, A. C., Medicinal plants, conservation and livelihoods. Biodiversity & Conservation 2004, 13 (8), 1477-1517.
-Heubach, K.; Wittig, R.; Nuppenau, E.-A.; Hahn, K., The economic importance of non-timber forest products (NTFPs) for livelihood maintenance of rural west African communities: A case study from northern Benin. Ecological Economics 2011, 70 (11), 1991-2001.
-Homczinski, I.; Filho, A. F.; de Sousa Retslaff, F. A.; Dias, A. N.; Figueiredo, A. P. M.; Correa, A. J. M.; Lerner, J., Biometric characterization of Campomanesia xanthocarpa (Mart.) O. Berg. in an araucaria forest. Acta Biológica Catarinense 2017, 4 (2), 91-99.
-Kainer, K. A.; Wadt, L. H.; Staudhammer, C. L., Explaining variation in Brazil nut fruit production. Forest Ecology and Management 2007, 250 (3), 244-255.
-Kengen, S., Forest valuation for decision-making: lessons of experience and proposals for improvement. Food and Agriculture Organization of the United Nations: 1997.
-Keyvan Behju, F.; Ghanbari, S., Economic Valuation of Non Wood Forest Products of Ardebil Fanduglu Forest (Hazelnut Fruit Production) and its Role in Household Economics. Ecology of Iranian Forest 2017, 5 (9), 56-62. (In Persian)
-Keyvan Behju, F.; Ghanbari, S.; Moradi, G., Evaluation of the production and collection of cherry plum (Prunus divaricata Ledeb.) fruit and its role on forest dwellers income (case study: Rudsar, Gilan province). Iranian Journal of Forest and Poplar Research 2017, 25 (3), 528-539. (In Persian)
-Keyvan Behju, F.; Ghanbari, S.; Moradi, G., Study on production amount and importance of forest byproducts in forest household`s income at Rudsar Guilan province, case study: Medlar (Mespilus Germanica) fruit. Forest Research and Development 2017, 3 (2), 147-162. (In Persian)
-Lynch, K. A.; Jones, E. T.; McLain, R. J., Nontimber forest product inventorying and monitoring in the United States: rationale and recommendations for a participatory approach. Institute for Culture and Ecology United States: 2004. Malik, Z. A.; Bhat, J. A.; Ballabha, R.; Bussmann, R. W.; Bhatt, A., Ethnomedicinal plants traditionally used in health care practices by inhabitants of Western Himalaya. Journal of Ethnopharmacology 2015, 172, 133-144.
-Quang, D. V.; Anh, T. N., Commercial collection of NTFPs and households living in or near the forests: Case study in Que, Con Cuong and Ma, Tuong Duong, Nghe An, Vietnam. Ecological economics 2006, 60 (1), 65-74.
-Sagheb-Talebi, K.; Pourhashemi, M.; Sajedi, T., Forests of Iran: A Treasure from the Past, a Hope for the Future. Springer: 2014.
-Sati, V. P., Cultivation of medicinal plants and its contribution to livelihood enhancement in the Indian Central Himalayan Region. Advancement in Medicinal Plant Research 2013, 1 (2), 17-23.
-Shackleton, C. M.; Pandey, A. K., Positioning non-timber forest products on the development agenda. Forest Policy and Economics 2014, 38, 1-7.
-Shackleton, S.; Gumbo, D., Contribution of non-wood forest products to livelihoods and poverty alleviation. The dry forests and woodlands of Africa: Managing for products and services 2010, 4, 29.
-Shrestha, P. M.; Dhillion, S. S., Medicinal plant diversity and use in the highlands of Dolakha district, Nepal. Journal of ethnopharmacology 2003, 86 (1), 81-96.
-Sinha, A.; Bawa, K. S., Harvesting techniques, hemiparasites and fruit production in two non-timber forest tree species in south India. Forest Ecology and Management 2002, 168 (1-3), 289-300.
-Sorkheh, K.; Shiran, B.; Khodambashi, M.; Moradi, H.; Gradziel, T.; Martínez-Gómez, P., Correlations between quantitative tree and fruit almond traits and their implications for breeding. Scientia Horticulturae 2010, 125 (3), 323-331.
-Stoian, D., Making the best of two worlds: rural and peri-urban livelihood options sustained by nontimber forest products from the Bolivian Amazon. World Development 2005, 33 (9), 1473-1490.
-Timko, J.; Waeber, P.; Kozak, R., The socio-economic contribution of non-timber forest products to rural livelihoods in Sub-Saharan Africa: knowledge gaps and new directions. International forestry review 2010, 12 (3), 284-294.
-Varma, S., Preliminary item statistics using point-biserial correlation and p-values. Educational Data Systems Inc.: Morgan Hill CA. Retrieved 2006, 16 (07).
-Wälder, K.; Wälder, O., Analysing interaction effects in forests using the mark correlation function. Forest 2007, 4 (4), 365-372.
-Yan, P.; Yang, J., Species diversity of urban forests in China. Urban Forestry & Urban Greening 2017, 28, 160-166.
-Zolfeghari, E.; Adeli, I.; Mozafarian, V.; Babaiy S.; Bibalani, H., Identification of Arasbaran medicinal plants and ethnobotanical study of rural people knowledge (Case Study: Arasbaran forest, Mardanaghom watershed). Iranian Journal of Medicinal and Aromatic Plants 2012, 28 (3), 534-550. (In Persian)