Khadjooi, Kayvan, Kamran Rostami, and Sauid Ishaq. “How to Use Gagne’s Model of Instructional Design in Teaching Psychomotor Skills”. Gastroenterology and Hepatology from Bed to Bench 4, no. 3 (June 26, 2011). Accessed September 26, 2022. https://journals.sbmu.ac.ir/ghfbb/index.php/ghfbb/article/view/165.