Dampak Model Problem-Based Learning (PBL) terhadap Self-Confidence: Studi Meta-Analisis. Jurnal Ilmu Pendidikan Nasional (JIPNAS), [S. l.], v. 2, n. 2, p. 70–76, 2024. DOI: 10.59435/jipnas.v2i2.458. Disponível em: https://jurnal.padangtekno.com/index.php/jipnas/article/view/458.. Acesso em: 12 mar. 2025.