Razakou Φ., Tsapakidou Α., Beis Κ. and Tsompanaki Θ. (2003) “Investigating Concrete Factors Related to the 7-12 Year Old Children’s Occupation with out of School Athleticism”, Inquiries in Physical Education and Sport, 1(2), pp. 143–151. doi: 10.26253/heal.uth.ojs.ispe.2003.1004.