Ahmed, Shakeel. “Child With Intellectual Disability and Parental Response: A Comparative Study of Nuclear and Extended Family Structures in Khyber Pakhtunkhwa, Pakistan”. Humanities & Social Sciences Reviews 3, no. 1 (October 30, 2015): 30-33. Accessed October 28, 2019. http://giapjournals.com/index.php/hssr/article/view/241.