Aldilla, E. and Usmeldi 2024. Validity and Practicality of the Physics E-Module Based on the Orientation, Identify, Discussion, Decision, and Engage in Behavior Model to Improve Students’ 21st Century Skills: Validitas dan Praktikalitas E-modul Fisika. Jurnal Penelitian Pendidikan IPA. 10, 8 (Aug. 2024), 5768–5774. DOI:https://doi.org/10.29303/jppipa.v10i8.7719.