Kolovelonis Αθανάσιος, Goudas Μάριος, Dimitriou Ελένη, and Hassandra Μαρία. 2010. “A Qualitative Evaluation of a Life Skill Training Program in Physical Education”. Inquiries in Physical Education and Sport 8 (2):107-18. https://journals.lib.uth.gr/index.php/inquiries/article/view/1348.