Dhitareka, Putra Habib, Arif Hidayat, and Parsaoran Siahaan. 2022. “Comparison of Nature of Science Profile in Indonesia, Malaysia, and Singapore Secondary Science Textbooks: Case of Electricity Lesson”. Jurnal Penelitian Pendidikan IPA 8 (5):2299-2306. https://doi.org/10.29303/jppipa.v8i5.1878.