Abdul Jabbar, F. 2016. The Relationship Between Stroke Repetition and Some Physiological Indicators of 100m Breaststroke Swimmers Aged 13 – 14 Years. Journal of Physical Education. 28, 2 (Jun. 2016), 482–495. DOI:https://doi.org/10.37359/JOPE.V28(2)2016.307.