citation
Gebru, Y., Ewnetu, Z., Kassa, H., Padoch, C. . 2014. Determinants of producers' participation in gums and resins value chains from dry forests and analysis of marketing channels in northwestern and southern Ethiopia Forests, Trees and Livelihoods, 23 (1-2) : 54-66. http://dx.doi.org/10.1080/14728028.2013.875278