حاجى بەدرى ژ. س., and سعيد هالۆ د. ع. “The Development of Critical Thinking Skills Among Students of University of Zakho Faculty of Humanities : According to Gender and Mother Tongue Variables”. Koya University Journal of Humanities and Social Sciences, vol. 4, no. 2, Dec. 2021, pp. 105-14, doi:10.14500/kujhss.v4n2y2021.pp105-114.