Sunray, Cris, and Yusuf Kurnia. “Designing Website-Based E-Learning Application on SMP Kusuma Bangsa Using Framework Codeigniter”. bit-Tech 3, no. 1 (August 31, 2020): 35–43. Accessed July 3, 2024. https://jurnal.kdi.or.id/index.php/bt/article/view/186.