Prabasari, Jayanti Sinung, Muzzazinah ., and Daru Wahyuningsih. 2021. “Development of Electronic Modules (E-Modules) Based on Problem Based Learning on Additives and Addictive Substances to Improve Students’ Critical Thinking Ability”. Jurnal Penelitian Pendidikan IPA 7 (SpecialIssue):312-19. https://doi.org/10.29303/jppipa.v7iSpecialIssue.1233.