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Nurkhasanah MF, Rohaeti E. Development of Electronic Student Worksheet Based on Problem Based Learning on Electrochemical Materials . jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2024 Feb. 28 [cited 2024 Jul. 4];10(2):988-95. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/6185