Malawati, Ratna, and Sahyar . “DEVELOPMENT OF SCIENCE PROCESS SKILLS STUDENTS WITH PROJECT BASED LEARNING MODEL- BASED TRAINING IN LEARNING PHYSICS”. Jurnal Pendidikan Fisika 5, no. 1 (June 1, 2016): 58–63. Accessed May 12, 2025. https://jurnal.unimed.ac.id/2012/index.php/jpf/article/view/3708.