Balasas Γεώργιος, Proios Μιλτιάδης, Doganis Γεώργιος, and Balasas ∆ηµήτριος. 2006. “Moral Development and Physical Education - Sport”. Inquiries in Physical Education and Sport 4 (2):225-36. https://journals.lib.uth.gr/index.php/inquiries/article/view/1137.