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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 Mar. 29];8(4):1806-13. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/2093