Wahyuni S, Rahayu YS, Indana S. Development of Problem-Based Learning Student Worksheets to Facilitate Students’ Problem Solving Skills. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2020 Jun. 12 [cited 2024 Nov. 23];6(2):162-5. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/427