MARTA TOWE, Mariana. Problem-Solving Ability In Arithmetic Sequences And Series Using Problem-Based Learning. Absis: Mathematics Education Journal, [S. l.], v. 8, n. 1, p. 44–53, 2026. DOI: 10.32585/absis.v8i1.8178. Disponível em: https://journal.univetbantara.ac.id/index.php/absis/article/view/8178. Acesso em: 26 may. 2026.