Ly, Petrus, Marsi Bani, Vetty Hariana, and Petrick Meok. “Development of E-Modules for Elementary Students”. Pegem Journal of Education and Instruction 14, no. 3 (April 5, 2024): 300–310. Accessed August 2, 2025. https://pegegog.net/index.php/pegegog/article/view/3121.