Abedullah A, Tariq Z. The Effect of Special Exercises Using an Apparatus for Teaching Volleyball Spike in Players Aged 10 – 12 Years Old. jope [Internet]. 2017 Jun. 28 [cited 2024 May 3];29(2):208-22. Available from: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/139