The effectiveness of sending and its relationship to the order of achievement - Survey research on the men’s national team table tennis players -. cbej [Internet]. 2023 Jan. 19 [cited 2024 Jul. 2];14(53 ، 54 ،55):813-24. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/9516