RIZKI, Ria Setiani Habbinnur; SUSILAWATI, Wati; A, T. Tutut Widiastuti; PUSPITAWATI, Ika. Enhancing Students’ Mathematical Problem-Solving Ability Through The Problem Posing and Solving Learning Model Assisted by Heyzine. Mathline : Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 10, n. 4, p. 945–958, 2025. DOI: 10.31943/mathline.v10i4.1047. Disponível em: http://mathline.unwir.ac.id/index.php/Mathline/article/view/1047. Acesso em: 17 jan. 2026.