Nouraey, Peyman, Mohammad A Ayatollahi, and Marzieh Moghadas. “Late Language Emergence: A Literature Review”. Sultan Qaboos University Medical Journal 21, no. 2 (June 27, 2021): e182–190. Accessed May 6, 2024. https://journals.squ.edu.om/index.php/squmj/article/view/4402.