机译:以竞争激烈的网球运动员在竞争性网球运动员中实现目标方向的一种居中的方法:与动机和心理韧性的协会
Department of Behavioural Medicine University of KwaZulu-Natal Durban KwaZulu-Natal 4041 South Africa;
Department of Psychology Middle Tennessee State University Murfreesboro TN 37132 USA;
Aix Marseille Univ CNRS ISM Marseille 13007 France;
Department of Educational Foundations and Leadership University of Toledo Toledo OH 43610 USA;