Fazil H, Ramzan R, Anwar M. Effectiveness of Visual Lessons on YouTube during Lockdown in 2nd Wave of Covid -19 for Children with Intellectual Disabilities Studying in Child Welfare Center Perceived by their Parents. JDSS [Internet]. 2022 Oct. 15 [cited 2024 May 3];3(4):11-8. Available from: https://ojs.jdss.org.pk/journal/article/view/245