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Siburian J, Sadikin A, Yusuf M, Sembiring DAEP. Development of Lesson Study Books Specially in Biology Based on Scientific Approaches. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Oct. 25 [cited 2024 Nov. 13];9(10):8569-74. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/3734