Wijaya, Tomi Putra, Mundilarto, and Insih Wilujeng. 2024. “Development of Problem Based Learning Collaborative (PBL-C) Physics E-Worksheet to Improve Student Problem Solving and Collaboration Skills”. Jurnal Penelitian Pendidikan IPA 10 (1):47-54. https://doi.org/10.29303/jppipa.v10i1.5284.