Hasan, A., H. .M.Bilbas, and M. Assmar. “Effect of (Direct & Indirect) Mental Training Styles Accompanied With the Scheduling Practice of Random in Learning & Retention Some Basic Offensive Skills in Basketball”. Al-Rafidain Journal For Sport Sciences, vol. 16, no. 55, Dec. 2010, pp. 30-53, doi:10.33899/rajsport.2010.6123.