Barzouka Κ., Bergeles Ν. and Hatziharistos ∆ηµήτρης (2006) “The Effect of Different Types of Feedback on Skill Acquisition in Volleyball”, Inquiries in Physical Education and Sport, 4(1), pp. 11–18. doi: 10.26253/heal.uth.ojs.ispe.2006.1113.