CORPUZ, Josua; MANALIGOD, Sheryl Irene. Development and Validation of Learning Intervention Material in Adding and Subtracting Integers Using Modified ADDIE Model. Journal of Interdisciplinary Perspectives, [S. l.], v. 4, n. 4, p. 53–65, 2026. DOI: 10.69569/jip.2026.030. Disponível em: https://jippublication.com/index.php/jip/article/view/2445. Acesso em: 3 oct. 2026.