1.
Gamayina DJ, Aliyu A, Shelleng B, Haddabi A. TECHNICAL EFFICIENCY OF COWPEA MARKETING IN MUBI NORTH. Int. J. Eng. Tech. Mgmt. Res. [Internet]. 2020Feb.29 [cited 2022Jan.16];7(2):81-102. Available from: https://www.granthaalayahpublication.org/ijetmr-ojms/index.php/ijetmr/article/view/IJETMR20_A01_2016