Hatzimanouil Δημήτρης, Glinia Ελένη, and Smernou Κατερίνα. 2010. “Relation Between Tourism Recreation and Sport. Structure and Abilities in Greek Reality”. Inquiries in Physical Education and Sport 8 (1):80-90. https://journals.lib.uth.gr/index.php/inquiries/article/view/1345.