Ulfa J, Desnita. Electronic Enrichment Book Design “Solar Energy and Its Benefits” to Improve Environmental Problem Solving Skills. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2025 Jan. 24 [cited 2025 Mar. 20];11(1):198-206. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/9724