Muafak Alrashdi, K., أیاد, Mohammad Abdullah Alzubaedi, A. and کرم (2025) “The effect of two different methods According to a Computerized Running Training programs for interval training in lactate level in blood and performance in A 400-meter sprint for juniors”, Al-Rafidain Journal For Sport Sciences (RJSS), 25(79), pp. 43–63. doi: 10.33899/rjss.2022.175900.