Dr. Farah Rahman, Anjam Zaheer Hussain. Application of Heuristic Model, A Culturally Sensitive Adaptation of The Picture Exchange Communication System (PECS) For Autistic Children in Pakistan. DSSR [Internet]. 2025 Apr. 13 [cited 2025 Apr. 18];3(4):442-54. Available from: https://thedssr.com/index.php/2/article/view/488