SASTRAWATI, I.; HASLINDA, H. IMPROVING THE STUDENTS’ KNOWLEDGE OF OPEN CLASSES THROUGH GROUP INVESTIGATION. Uniqbu Journal of Social Sciences, [S. l.], v. 3, n. 2, p. 103–109, 2022. DOI: 10.47323/ujss.v3i2.210. Disponível em: http://www.ejournal-uniqbu.ac.id/index.php/ujss/article/view/210. Acesso em: 30 aug. 2025.