IZZAROH, Iftitakhul; PRAJITNO, Sunyoto Hadi; HADI, Susilo; PRAYITNO, Lydia Lia. Implications of Problem Based Learning Model on Students’ Critical Thinking Ability in Arithmetic Sequence. Journal of Education and Learning Mathematics Research (JELMaR), [S. l.], v. 6, n. 1, p. 55–59, 2025. DOI: 10.37303/jelmar.v6i1.3827. Disponível em: https://jelmar.wisnuwardhana.ac.id/index.php/jelmar/article/view/19. Acesso em: 4 jun. 2026.