SYSTEMATIC LITERATURE REVIEW: WHAT DO THE STUDIES REVEAL ABOUT PROBLEM-BASED LEARNING IN PHYSICS EDUCATION? Received: 15th July 2025, Revised: 12th August 2025, 25th September 2025, Accepted: 25th October 2025, Date of Publication: 17th December 2025. Docens. 2025;9:127-151. doi:10.20319/dv.10.2016