SIREGAR, P. .; ARMANTO, A.; MATONDANG, Z. . IMPROVEMENT OF CRITICAL THINKING ABILITY AND LEARNING INTEREST MATHEMATICS USING MODELS PROBL EM BASED LEARNING ON STUDENT CLASS V SD IT NURUL ILMI PADANG SIDEMPUAN. Sensei International Journal of Education and Linguistic, [S. l.], v. 3, n. 1, p. 159–179, 2023. DOI: 10.53768/sijel.v3i1.129. Disponível em: https://www.sijel-journal.sensei-journal.com/jbo/article/view/129. Acesso em: 3 aug. 2026.