Ali A. Naji Ghyadh , Dr. Raad Kareem Faraj Al-Jourani. “Effectiveness of an Education Program on Teachers’ Knowledge about First Aids at Primary Schools in Al-Najaf City”. Drugs and Cell Therapies in Hematology, vol. 10, no. 3, Nov. 2021, pp. 527-38, http://www.dcth.org/index.php/journal/article/view/801.