Valfa, Y., Razak , A. ., Fajrina , S., & Yuniarti , E. (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