Al-Mamari, W. S., M. M. Emam, A. M. Al-Futaisi, and A. M. Kazem. “Comorbidity of Learning Disorders and Attention Deficit Hyperactivity Disorder in a Sample of Omani Schoolchildren”. Sultan Qaboos University Medical Journal, vol. 15, no. 4, Nov. 2015, pp. 528-33, https://journals.squ.edu.om/index.php/squmj/article/view/2087.