Abd alkahar Khalid, R., ثیلام, Younis Allawy, T. and رنین . Appropriate and inappropriate research tools for descriptive master’s researches In the College of Physical Education and Sports Sciences, University of Mosul. Al-Rafidain Journal For Sport Sciences (RJSS). 26, 80 (), 98–113. DOI:https://doi.org/10.33899/rjss.1999.1783850.