Azizah, M. ., Herlina, K., & Abdurrahman, A. (2023). The Validity of Multiple Representations-Based Blended Learning Program to Stimulate Complex Problem Solving and Reduce Learning Loss. Jurnal Penelitian Pendidikan IPA, 9(5), 3752–3757. https://doi.org/10.29303/jppipa.v9i5.3487