PENGARUH PROBLEM BASED LEARNING BERBANTUAN MULTIMEDIA INTERAKTIF TERHADAP STUDENT ENGAGEMENT PADA MATA PELAJARAN INFORMATIKA SMPN 25 PADANG. JSSR [Internet]. 2026 Aug. 9 [cited 2026 Aug. 15];9(4):5914-2. Available from: https://jurnal.goretanpena.com/index.php/JSSR/article/view/6859