Fatimah S, Rohani R. Development of Student Worksheets Based on Discovery Learning for Class X Students of Environmental Pollution Materials. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2022 Oct. 31 [cited 2024 Nov. 22];8(4):1806-13. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/2093