Setar Mohammed K, Aed Shamkhi D, Jabar Mohammed M. Determining the grades and standard levels of some mental skills as an indicator for the selection of young volleyball players. sportk [Internet]. 21 de agosto de 2023 [citado 19 de diciembre de 2024];12:28. Disponible en: https://revistas.um.es/sportk/article/view/581681