This coach could define a specific technique to operate the Fartlek and he innovated some model examples such as the Fartlek short way, the Fartlek long way, the downward Fartlek, the upward Fartlek and the hierarchical Fartlek).
Ibrahim Abd El-Hamid Abou El-Magd, H. (2015). Effect of Using Fartlek Techniques to Control the Rhythm of Running for 1500 m Runners. Assiut Journal of Sport Science and Arts, 215(2), 348-361. doi: 10.21608/ajssa.2015.70803
MLA
Hassan Ibrahim Abd El-Hamid Abou El-Magd. "Effect of Using Fartlek Techniques to Control the Rhythm of Running for 1500 m Runners", Assiut Journal of Sport Science and Arts, 215, 2, 2015, 348-361. doi: 10.21608/ajssa.2015.70803
HARVARD
Ibrahim Abd El-Hamid Abou El-Magd, H. (2015). 'Effect of Using Fartlek Techniques to Control the Rhythm of Running for 1500 m Runners', Assiut Journal of Sport Science and Arts, 215(2), pp. 348-361. doi: 10.21608/ajssa.2015.70803
VANCOUVER
Ibrahim Abd El-Hamid Abou El-Magd, H. Effect of Using Fartlek Techniques to Control the Rhythm of Running for 1500 m Runners. Assiut Journal of Sport Science and Arts, 2015; 215(2): 348-361. doi: 10.21608/ajssa.2015.70803