UY, Edison. Teacher-Made Comic Strip: A Strategic Intervention Material in Teaching Fundamental Operations on Integers. JPAIR Multidisciplinary Research, Philippines, v. 33, n. 1, p. 89–104, 2018. DOI: 10.7719/jpair.v33i1.606. Disponível em: https://philair.ph/index.php/jpair/article/view/606. Acesso em: 31 mar. 2025.