Merta, I Wayan, I Putu Artayasa, and Jihan Juliastari. 2022. “The Effect of Project-Based Learning With the Science, Technology, and Society Approach on Digestive System Material Against the Concept Mastery ”. Jurnal Penelitian Pendidikan IPA 8 (6):2879-82. https://doi.org/10.29303/jppipa.v8i6.2406.