Kasim, T., F. M. Jarjees, and S. Jasim. “The Effect of Learning Programme of Sport Lesson in Developing Social Psychological Harmony of Second Stage Students of Intermediate School”. Al-Rafidain Journal For Sport Sciences, vol. 12, no. 40, Apr. 2006, pp. 140-63, doi:10.33899/rajsport.2006.6063.