Setiawanti NA, Mudrika A, Supratikta H. Comparative Analysis of Management System Information Systems in E-learning: A Study of Indonesia and Untied States. j.inv dev.Econ.& adm. [Internet]. 2024Sep.1 [cited 2025Jul.2];1(2):164 -172. Available from: https://ojs.ideanusa.com/index.php/JIDEA/article/view/219