ANDI MUHAMMAD ABRAR. Application of the Problem Based Learning Model to Increase Students’ Confidence in Class V of Al-Wahdah Tolitoli Integrated Islamic Elementary School. Formosa Journal of Sustainable Research, [S. l.], v. 2, n. 2, p. 389–404, 2023. DOI: 10.55927/fjsr.v2i2.3123. Disponível em: https://journal.formosapublisher.org/index.php/fjsr/article/view/3123. Acesso em: 22 apr. 2026.