Hussein, Ali Suleiman. “Psychological Tension Among Students of The College of Education for Humanities In Regards to the Variables of Blood Type and Gender”. Journal of Tikrit University for Humanities 28, no. 4, 2 (April 24, 2021): 353–373. Accessed February 1, 2026. https://jtuh.org/index.php/jtuh/article/view/1624.