Yuberti, Yuberti, Happy Komikesari, and Nur Endah Susilowati. “Designing and Developing Android-Based E-Book As a Guide for Students in Making Smart-Key: A Learning Media for Electronic Circuits Course”. Jurnal Penelitian Pendidikan IPA 9, no. SpecialIssue (December 25, 2023): 428–437. Accessed July 27, 2024. https://jppipa.unram.ac.id/index.php/jppipa/article/view/4502.