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Anggoro S, Widodo A, Badarudin B. Elementary Student Conceptual Change About Free Fall Using Reflective Conceptual Change Model. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2022 Oct. 31 [cited 2024 May 5];8(4):2102-9. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1998