ABDULHAMID, H.; GAMAWA, A. I.; BADEJO, B. I. MARKET STRUCTURE AND CONDCT OF COWPEA (Vigna unguiculata L.) MARKETING IN YOBE STATE, NIGERIA. Nigerian Journal of Agriculture and Agricultural Technology, [S. l.], v. 6, n. 2A, p. 113–122, 2026. DOI: 10.59331/njaat.v6i2A.1615. Disponível em: https://njaat.com.ng/index.php/njaat/article/view/1615. Acesso em: 1 oct. 2026.