Yuberti, Y. et al. 2023. 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, SpecialIssue (Dec. 2023), 428–437. DOI:https://doi.org/10.29303/jppipa.v9iSpecialIssue.4502.