MELISSA, Margaretha Madha; LAILA , Erfiana Nur; NINGRUM, Marcelia Puspita; KUSUMA , Odilia Rosa. Problem-Based Learning (PBL) Model to improve numeracy skills and self-confidence of middle school students. Journal Focus Action of Research Mathematic (Factor M), [S. l.], v. 7, n. 2, p. 1–16, 2024. DOI: 10.30762/f_m.v7i2.2622. Disponível em: https://jurnalfaktarbiyah.iainkediri.ac.id/index.php/factorm/article/view/env7n1_p1_16. Acesso em: 20 nov. 2024.