1. 1. Abdul Rahman Ahmed Saeed, designing a proposed training device with different weights in the special force and the achievement of 500 m Kayak for the youth category, Master Thesis in Physical Education and Sports Science, Mustansiriya University, 2018.
2. 2. Mohamed Hassan Allawi and Mohammed Nasr al-Din Radwan, tests of motor performance, 3rd floor, Cairo, Dar al-Fikr al-Arabi, 1994.
3. 3. Abu El-Ela Ahmed: Training and Athletic Health, Cairo, Dar Al-Fikr Al-Arabi, 1996.
4. 4. Saad Mohsen Ismail; Effect of teaching methods to develop the explosive power of the men and arms in the accuracy of the correction (remote jump high in handball, doctoral thesis, College of Sports Education, University of Baghdad.
5. 5. Emad Abdel Fattah: The Effect of a Training Program on the Development of Physical and Skill Characteristics of Karate Players, Master Thesis, Helwan University, Faculty of Physical Education, 2001.