Ntomali Σταυρούλα, Psychountaki Μαρία, Kaloupsis Σωκράτης, and Chairopoulou Χρυσούλα. 2009. “Athletes’ Goal Orientation and Preferred Coach’s Leadership Behavior: A Pilot Study on Synchronized Swimming”. Inquiries in Physical Education and Sport 7 (3):355-65. https://doi.org/10.26253/heal.uth.ojs.ispe.2009.1339.