ECONOMIC ANALYSIS OF STRUCTUTAL CHARACTERISTICS OF POULTRY EGG MARKETING IN KANO METROPOLIS, KANO STATE, NIGERIA. FUDMA JOURNAL OF SCIENCES, [S. l.], v. 4, n. 2, p. 443–451, 2020. DOI: 10.33003/fjs-2020-0402-227. Disponível em: https://fjs.fudutsinma.edu.ng/index.php/fjs/article/view/227. Acesso em: 6 sep. 2025.