Kamala I, Idayanti Z, Ulfah TT. Increasing Student Participation in Science Learning Through Problem Based Learning Models. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2022 Oct. 31 [cited 2024 Apr. 26];8(4):2068-76. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1850