HAMIDU, K.; JOSEPH, M.; TIDY, A. S.; MOHAMMED, R. ANALYSIS OF THE MARKETING MARGIN OF YAM MARKETERS IN GOMBE METROPOLIS, GOMBE STATE NIGERIA. Journal of Agripreneurship and Sustainable Development, [S. l.], v. 8, n. 1, p. 1–8, 2025. Disponível em: https://njaat.com.ng/index.php/jasd/article/view/1202. Acesso em: 3 oct. 2025.