Henjilito, R., K. Kamarudin, and M. R. A. Alfansuri. “The Effect Of Training Methods Speed Play On 100 Meter Run Skills”. JIPES - JOURNAL OF INDONESIAN PHYSICAL EDUCATION AND SPORT, Vol. 7, no. 02, Dec. 2021, pp. 33-40, http://103.8.12.212:33180/unj/index.php/jipes/article/view/23805.