H. H. Wadi, W. J. M. Saeed, S. H. Fadhel, and M. H. Rasheed, “ The Impact of Contract Strategy on Achievement and Retention of Female Fourth Intermediate Students Class in the Subject of Arab-Islamic History Civilization”, Psychosocial rehabilitation, vol. 24, no. 4, pp. 9996–10006, Apr. 2020, doi: 10.61841/k3fe7p96.