Nirmalawaty, Caroline Monica, and Harlinda Syofyan. 2023. “Development of Interactive Electronic Modules (e-Modules) Based on Flip PDF Corporate Edition on the Subject of IPA Class V Elementary School Heat Transfer Material”. Edumaspul: Jurnal Pendidikan 7 (2), 3381-90. https://ummaspul.e-journal.id/maspuljr/article/view/6950.