PERFORMANCE OF COWPEA (VIGNAUNGUICULATAL) VARIETIES OF MEDIUM DURATION MATURITY AT SUDAN –SAVANNA AGRO-ECOLOGICAL ZONE OF NIGERIA. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 2, n. 3, p. 175–183, 2023. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/1408. Acesso em: 8 sep. 2025.