Hao Zhan, Gan, and Chandra Reka Ramachandiran. “Mobile Application for Behavioral and Social Skills Learning for Autism Children Using Facial Expression Recognition”. International Journal of Psychosocial Rehabilitation 23, no. 4 (October 31, 2019): 1273–1281. Accessed April 4, 2025. https://psychosocial.com/PSY/index.php/ijpr/article/view/3870.