Abbas MJ, Hussein ED. The Effect of Weight Training on The Push Index and Achievement of the 400m Freestyle Over 20 Years. jope [Internet]. 2026 Jun. 28 [cited 2026 Jul. 8];38(2):2183-94. Available from: https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/2258