S. Ibrahim, H., A. Ogisteen, T. (2009). Establishing grades and standard levels of some track and field for freshmen students. , 15(51), 94-121. doi: 10.33899/rajsport.2009.6103
Hussein S. Ibrahim; Thaair A. Ogisteen. "Establishing grades and standard levels of some track and field for freshmen students". , 15, 51, 2009, 94-121. doi: 10.33899/rajsport.2009.6103
S. Ibrahim, H., A. Ogisteen, T. (2009). 'Establishing grades and standard levels of some track and field for freshmen students', , 15(51), pp. 94-121. doi: 10.33899/rajsport.2009.6103
S. Ibrahim, H., A. Ogisteen, T. Establishing grades and standard levels of some track and field for freshmen students. , 2009; 15(51): 94-121. doi: 10.33899/rajsport.2009.6103