Hafsah DS, Aznam N, Rohaeti E. The Development of Electronic Student Worksheets Based on Problem-Based Learning and Its Impact on Motivation and Problem-Solving Skills. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2024 Sep. 25 [cited 2024 Nov. 7];10(9):6984-92. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/8873