Ramadhan, D., Sitorus, Z. and Sari Penjaitan, M. 2024. 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, 3 (Sep. 2024), 173 - 179. DOI:https://doi.org/10.47065/bit.v5i3.1480.