DEVELOPMENT OF STUDENT WORK SHEETS GUIDED INQUIRY MODEL ORIENTED BY CRITICAL THINKING ACTIVITIES IN VIBRATION, WAVE, AND SOUND MATERIALS IN CLASS VIII SMPN 31 PADANG. universe [Internet]. 17 Juni 2021 [dikutip 14 Agustus 2026];2(1):59-65. Tersedia pada: http://universe.ppj.unp.ac.id/index.php/universe/article/view/50