Nazrin Rosli, Muhammad, Afida Mohamad Ali, Ain Nadzimah Abdullah, Hamidin bin Awang, and Shameem Rafik-Galea. 2021. “Assessing Perlocutionary Effects through Directive Speech Acts in an Autistic Child During Joint Comprehension Activities”. International Journal of Academic Research in Progressive Education and Development 10 (1). https://ijarped.com/index.php/journal/article/view/2233.