Muhammad -Bashir, M. H. “The Art of Expression, Its Introductions, Divisions, Punctuation Marks and Their Uses”. AL-Lisan International Journal for Linguistic & Literary Studies, Vol. 6, no. 14, Apr. 2023, pp. 157-6, http://ojs.mediu.edu.my/index.php/AIJLLS/article/view/4431.