Электронный ресурс (аналит. описание)

Umaru, Salihu.
Есonomic analysis of soybeans marketing in billiri local government area of gombe state, nigeria [Электронный ресурс] / S. Umaru, L. Y. Mu’azu // Scientific Papers. Series “Management, Economic Engineering in Agriculture and Rural Development“ / University of Agricultural Sciences and Veterinary Medicine of Bucharest. – Bucharest, 2018. - Scientific Papers. Series “Management, Economic Engineering in Agriculture and Rural Development“. - Vol.18, Iss. 4/2018 . – 2018. – С.59-64.