Valfa, Yogi, Abdul Razak, Suci Fajrina, and Elsa Yuniarti. 2023. “Development of a Biology E-Module Based on Google Sites on Circulatory System and Digestive System Material”. Jurnal Penelitian Pendidikan IPA 9 (SpecialIssue):52-61. https://doi.org/10.29303/jppipa.v9iSpecialIssue.6271.