IBRAHIM, Shuaibu Umar. The Role of Middlemen on Economic Development of Local Markets in Malumfashi Local Government Area - Katsina State, Nigeria. UMYU Journal of Business Administration and Management, [S. l.], v. 1, n. 1 & 2, p. 351–370, 2025. Disponível em: https://publications.umyu.edu.ng/jbam/index.php/ujbam/article/view/25. Acesso em: 5 apr. 2026.