FATIMAH HASIBUAN, S.; SUTATMININGSIH, R.; MAULINA OZAR, B. Concrete Pictorial Abstract (CPA) Method-Based Intervention to Improve Understanding of Two-Digit Addition Concepts in Children with Mathematics Learning Difficulties. Attadib Journal of Elementary Education, [S. l.], v. 9, n. 3, p. 760–783, 2025. DOI: 10.32832/at-tadib.v9i3.22314. Disponível em: https://ejournal.uika-bogor.ac.id/index.php/at-tadib/article/view/22314. Acesso em: 16 sep. 2026.