Saputra A. A QUALITATIVE STUDY ON TEACHER AND STUDENT PERCEPTIONS OF THE APPLICATION OF THE DISCOVERY LEARNING MODEL IN PHYSICS LEARNING IN CLASS X OF SMA: In-Depth Analysis of Active Engagement and Challenges of Implementing Discovery-Based Learning Models. Department of Physics Universitas Negeri Padang [Internet]. 2025 Mar. 30 [cited 2026 Mar. 17];3(1). Available from: https://ple.ppj.unp.ac.id/index.php/ple/article/view/189