AnjaswariFitri, MulyawatiYuli, MulyawatiTustiyana, and Sundari fitri Siti. “Application of E-Learning Based on Constructivism Approach to Understanding of Student Concept in The Study of Social Students”. International Conference on Elementary Education 2, no. 1 (March 5, 2020): 1365-1375. Accessed May 6, 2024. http://proceedings.upi.edu/index.php/icee/article/view/763.