Mahmoud Ali Al-Khokhi, F. 2013. Constructing Skilful Cognition Test for Some Gymnastic Devices for the Students of College of Physical Education / Mosul University. Al-Rafidain Journal For Sport Sciences. 19, 63 (Dec. 2013), 116–155. DOI:https://doi.org/10.33899/rajsport.2013.76400.