AWALIA, Nur. Model Problem Based Learning dan Self Confidence terhadap Kemampuan Pemecahan Masalah Matematis Siswa. Plusminus: Jurnal Pendidikan Matematika, [S. l.], v. 3, n. 2, p. 277–288, 2023. DOI: 10.31980/plusminus.v3i2.1343. Disponível em: https://journal.institutpendidikan.ac.id/index.php/plusminus/article/view/1343. Acesso em: 22 dec. 2024.