INDAH HAYATI; EKA YULI ASTUTI; MUHAMMAD ADITYA FIRDAUS. Designing Individualized Learning Programs for Mathematics Addition Operations in SPPI: A Case Study of Fourth-Grade Students with Mild Intellectual Disabilities . International Journal Of Humanities Education and Social Sciences (IJHESS) , [S. l.], v. 5, n. 3, 2025. DOI: 10.55227/ijhess.v5i3.1968. Disponível em: http://ijhess.com/index.php/ijhess/article/view/1968. Acesso em: 25 may. 2026.