Hira Kiran, Tayyaba Burhan, and Tahir Shaukat. “Evaluation of Visual Attention in Developmentally Delayed Children”. Ophthalmology Pakistan, vol. 13, no. 1, Jan. 2023, pp. 31-35, https://ophthalmologypakistan.com/op/ojs3.3/index.php/ophth_pakistan_journal/article/view/61.