Wijaya TP, Mundilarto, Wilujeng I. Development of Problem Based Learning Collaborative (PBL-C) Physics E-Worksheet to Improve Student Problem Solving and Collaboration Skills. jppipa, pendidikan ipa, fisika, biologi, kimia [Internet]. 2024 Jan. 25 [cited 2024 May 17];10(1):47-54. Available from: https://jppipa.unram.ac.id/index.php/jppipa/article/view/5284