SENITA, Ari ari; PUTRA, Amali. DEVELOPMENT OF LKPD MODEL DISCOVERY LEARNING ACTIVITY ORIENTED CRITICAL THINKING ON VIBRATION MATERIALS, WAVES, AND SOUND FOR LEARNING IPA CLASS VIII IN JUNIOR HIGH SCHOOL 13 PADANG. Universe, [S. l.], v. 2, n. 1, p. 18–24, 2021. DOI: 10.24036/universe.v2i1.34. Disponível em: http://universe.ppj.unp.ac.id/index.php/universe/article/view/34. Acesso em: 17 apr. 2026.