DEVELOPMENT OF PROBLEM-BASED LEARNING SCIENCE E-MODULE INTEGRATED WITH ETHNOSCIENCE OF PENCAK SILAT TO IMPROVE STUDENTS’ SCIENCE PROCESS SKILLS. SPEKTRA [Internet]. 2025 Oct. 10 [cited 2025 Nov. 27];11(2):257-69. Available from: https://ojs.unsiq.ac.id/index.php/spektra/article/view/9864