Ahmed Sabah Abed, Ali Abdulameer Hussein. The effect of regular tempo training according to the average speed of the race stages on speed endurance and the achievement of a 5000 meter run for ages under 20 years. Int J Physiol Nutr Phys Educ 2023;8(2):407-412. DOI:
https://doi.org/10.22271/journalofsport.2023.v8.i2f.2829