Kazem, A. M., A. S. Alzubaidi, and B. S. . Al-Balushi. “Predicting Identity Styles Using Achievement Goal Orientation Among Omani Children of 11 &12 Grades”. Journal of Educational Sciences – Qatar University, vol. 15, no. 15, June 2020, pp. 94-114, doi:10.29117/jes.2020.0023.