Setiati N, Jumadi J. Development of E-Worksheet Problem Based Learning Model on Work and Energy to Improve Students’ Physical Cognitive Abilities in Terms of Mathematical Representations and Verbal Representations. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2023 Jan. 31 [cited 2024 Dec. 22];9(1):93-8. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/1757