Abdul Kareem Yaqoob , L. H. “Cogency of Argumentation in Obama’s (2013) Speech on the Use of Chemical Weapons in Syria: A Pragmatic Study”. Basra Studies Journal, vol. 1, no. 45, Dec. 2022, pp. 327-58, https://bsj.uobasrah.edu.iq/index.php/bsj/article/view/85.