Ayunda, Ajenk, Nur Hakim, and Hadi Supratikta. “Comparative Study of Management Information Systems in Cement Companies in Southeast Nigeria, South Sulawesi, Kenya”. Journal of Investment Development, Economics and Accounting 1, no. 2 (September 1, 2024): 173 - 181. Accessed July 11, 2025. http://ojs.ideanusa.com/index.php/JIDEA/article/view/220.