Mahmoud, S., Salman, R. (1999). Effectiveness of Using the Gradual Progressive Style Associated with Instant Visual Feedback on the Technical Performance of Some Wrestling Handles. Al-Ma'mon College Journal, 21(67), 85-100.
Salwan Khaled Mahmoud; Rabie Hazim Salman. "Effectiveness of Using the Gradual Progressive Style Associated with Instant Visual Feedback on the Technical Performance of Some Wrestling Handles". Al-Ma'mon College Journal, 21, 67, 1999, 85-100.
Mahmoud, S., Salman, R. (1999). 'Effectiveness of Using the Gradual Progressive Style Associated with Instant Visual Feedback on the Technical Performance of Some Wrestling Handles', Al-Ma'mon College Journal, 21(67), pp. 85-100.
Mahmoud, S., Salman, R. Effectiveness of Using the Gradual Progressive Style Associated with Instant Visual Feedback on the Technical Performance of Some Wrestling Handles. Al-Ma'mon College Journal, 1999; 21(67): 85-100.