Syaifullah, L. et al. 2024. Validating the Rifdarmon E-Learning Model with Structural Equation Modeling Analysis for Enhanced Learning Outcomes and Students’ 4C Skills. Jurnal Penelitian Pendidikan IPA. 10, 12 (Dec. 2024), 10868–10876. DOI:https://doi.org/10.29303/jppipa.v10i12.9660.