Ulfa, Jufiani, and Desnita. “Electronic Enrichment Book Design ‘Solar Energy and Its Benefits’ to Improve Environmental Problem Solving Skills”. Jurnal Penelitian Pendidikan IPA 11, no. 1 (January 24, 2025): 198–206. Accessed March 20, 2025. https://jppipa.unram.ac.id/index.php/jppipa/article/view/9724.