Malik, A., Al-Hanafi, M. A. ., Chusni , M. M. ., & Nugraha, A. R. . (2023). Development of CORE-based Electronic-modules to Improve Students’ Problem-Solving Skills. Jurnal Penelitian Pendidikan IPA, 9(8), 6415–6424. https://doi.org/10.29303/jppipa.v9i8.3172