PAMUNGKAS, H. P.; RAFSANJANI, M. A. KEEFEKTIFAN ICE BREAKING DAN PROBLEM BASED LEARNING DALAM PEMBELAJARAN DIKELAS. UTILITY: Jurnal Ilmiah Pendidikan dan Ekonomi, [S. l.], v. 3, n. 2, p. 67–74, 2019. DOI: 10.30599/utility.v3i2.621. Disponível em: https://journal.unuha.ac.id/index.php/utility/article/view/621. Acesso em: 25 apr. 2024.