Hartini, S.; Amelina, A. R.; Husna, A. H.; Yusianto, W.; Winarsih, B. D.; Widyaningsih, H.; Faidah, N. The Effect of Providing Play Therapy (Illustrated Number Card Media) on Improving Simple Arithmetic Understanding in School-Age Children With Mental Disabilities at Pati State Elementary School for Special Needs. MJHS 2025, 4, 109-120.