YAKUBU, S.; ATMAN, F. M.; USMAN, A. B.; MOHAMMED, R. ECONOMICS OF FACTORS AFFECTING PRODUCTION AND RESOURCE - USE EFFICIENCY OF COWPEA IN NORTH – EASTERN STATES OF NIGERIA. Journal of Agripreneurship and Sustainable Development, [S. l.], v. 7, n. 1, p. 74–82, 2024. DOI: 10.59331/jasd.v7i1.673. Disponível em: https://njaat.com.ng/index.php/jasd/article/view/673. Acesso em: 12 dec. 2024.