Fatimah Hasibuan, S., Sutatminingsih, R., & Maulina Ozar, B. (2025). 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, 9(3), 760–783. https://doi.org/10.32832/at-tadib.v9i3.22314