MOHAMMED ABDULAZIZ AJAYI, J.; MALLAM FALI, I.; BULUS IGANUS, R.; SIMON, U. Alternative Sources of Internally Generated Revenue and its Usefulness to the Finance and Development of University of Maiduguri, Nigeria. Gusau International Journal of Management and Social Sciences, [S. l.], v. 4, n. 1, p. 16, 2021. Disponível em: https://www.gijmss.com.ng/index.php/gijmss/article/view/25. Acesso em: 5 jul. 2026.