Adekoya, Adesanya Augustine, Olayinka, Ifayemi Moses, and Lawal, Babatunde Akeem. “Internally Generated Revenue in Local Government: The Role of Signage and Advertisement Agency”. The International Journal of Business & Management 11, no. 5 (June 21, 2023). Accessed April 29, 2024. https://www.internationaljournalcorner.com/index.php/theijbm/article/view/172950.