Hussein Ali, J. (2017). The effect of the method of collective competition on learning the stages of long jump for students. Alustath, 10(1), 85-99.
Jaafar Hussein Ali. "The effect of the method of collective competition on learning the stages of long jump for students". Alustath, 10, 1, 2017, 85-99.
Hussein Ali, J. (2017). 'The effect of the method of collective competition on learning the stages of long jump for students', Alustath, 10(1), pp. 85-99.
Hussein Ali, J. The effect of the method of collective competition on learning the stages of long jump for students. Alustath, 2017; 10(1): 85-99.


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