“DEVELOPMENT OF PHYSICS E-LEARNING BASED ON PROBLEM BASED LEARNING TO IMPROVE STUDENTS’ HIGH-LEVEL THINKING ABILITIES AND LEARNING INTERESTS IN FLUID MATERIALS: DEVELOPMENT OF PHYSICS E-LEARNING BASED ON PROBLEM BASED LEARNING TO IMPROVE STUDENTS’ HIGH-LEVEL THINKING ABILITIES AND LEARNING INTERESTS IN FLUID MATERIALS”. SPEKTRA: Jurnal Kajian Pendidikan Sains 11, no. 2 (October 10, 2025): 245–256. Accessed November 27, 2025. https://ojs.unsiq.ac.id/index.php/spektra/article/view/9700.