Oktavia, Sri Wina, et al. “LITERATURE REVIEW: THE IMPACT OF PROBLEM-BASED LEARNING (PBL) MODEL ON STUDENTS’ COLLABORATION SKILLS IN 21ST CENTURY SCIENCE EDUCATION”. EduFisika: Jurnal Pendidikan Fisika, vol. 9, no. 3, Dec. 2024, pp. 306-12, doi:10.59052/edufisika.v9i3.38996.