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://doi.org/10.26253/heal.uth.ojs.ispe.2010.1345.