Estimation of heterosis in cowpea (Vigna unguiculata (L.) Walp.) genotypes for dual purpose. Range Management and Agroforestry, [S. l.], v. 40, n. 2, p. 236–242, 2021. Disponível em: https://www.rmaj.in/rma/article/view/148. Acesso em: 5 feb. 2026.