Husna, I. et al. 2022. Development of Powerpoint Multimedia Based on Quided Inquiry Learning on Oxidation Reduction Reaction Materials on Ability Thinking High Level. Jurnal Penelitian Pendidikan IPA. 8, 5 (Nov. 2022), 2373–2379. DOI:https://doi.org/10.29303/jppipa.v8i5.1830.