Dhitareka, P.H. et al. 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 (Nov. 2022), 2299–2306. DOI:https://doi.org/10.29303/jppipa.v8i5.1878.