Dessie, Abebe Birara; Abate, Tadie Mirie; Adane, … - In: Journal of economic structures : JES; the official … 9 (2020) 18, pp. 1-14
Ethiopia is one of the east African countries which produce and exports various spices to other countries. Black cumin … demand of black cumin seed and oil in local, national and international market for medicinal, consumption and commercial … variations and factors influencing technical inefficiency levels of producers on black cumin production in northwest Ethiopia …
