Andrean, M.D. et al. 2024. Development of The E-Module on Colloid System with Contextual Teaching and Learning (CTL) Oriented Toward Chemo-Entrepreneurship (CEP) to Enhance Students’ Critical Thinking Ability. Jurnal Penelitian Pendidikan IPA. 10, 9 (Sep. 2024), 6638–6646. DOI:https://doi.org/10.29303/jppipa.v10i9.8546.