Ahmed Al-Hayali, omar, عمر, A. Mohammed Abdul-Allah, and اياد. “The Effect of Simultaneous and Sequential Exercises of the Phosphagen and Lactate Energy Systems on a Number of Physical and Functional Variables and Achievement in the 200-Meter Sprint for Juniors”. Al-Rafidain Journal For Sport Sciences (RJSS), vol. 26, no. 81, June 2025, pp. 341-82, doi:10.33899/rjss.2023.140177.1185.