Ramadhan, Deni, Zulham Sitorus, and Melva Sari Penjaitan. “Design and Development of an SDLC-Based E-Learning Application As a Learning Medium Using the Blended Learning Model”. Bulletin of Information Technology (BIT) 5, no. 3 (September 14, 2024): 173 - 179. Accessed April 20, 2026. https://journal.fkpt.org/index.php/BIT/article/view/1480.