ABDULHAMID, H.; MUSA, A. A; MUSA, A. DETERMINANTS OF MARKET PERFORMANCE AND CONSTRAINTS OF COWPEA (Vigna unguiculata L.) MARKETING AMONG RETAILERS IN YOBE STATE, NIGERIA. Nigerian Journal of Agriculture and Agricultural Technology, [S. l.], v. 6, n. 3B, p. 62–67, 2026. Disponível em: https://njaat.com.ng/index.php/njaat/article/view/1772. Acesso em: 1 oct. 2026.