Lisanti R, Yusrizal Y, Evendi E, Elisa E, Ilyas S. Development of Student Worksheets Based on Scientific Approach to Improve Concept Mastery and Problem Solving Skills of Students . jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2022 Oct. 31 [cited 2024 Apr. 20];8(4):1651-7. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1263