1.
Gamayina DJ, Aliyu A, Shelleng B, Haddabi A. TECHNICAL EFFICIENCY OF COWPEA MARKETING IN MUBI NORTH. Int. J. Eng. Tech. Mgmt. Res. [Internet]. 2020 Feb. 29 [cited 2024 Apr. 19];7(2):81-102. Available from: https://www.granthaalayahpublication.org/ijetmr-ojms/ijetmr/article/view/IJETMR20_A01_2016