Filippidou Χ., Loupos Δ., Zafireiadis Σ. and Barkoukis Β. (2014) “Intensity and Direction of Precompetitive Anxiety: A Study of the Individual Zones of Optimal Functioning Theory in Swimming”, Inquiries in Physical Education and Sport, 12(2), pp. 90–100. Available at: https://journals.lib.uth.gr/index.php/inquiries/article/view/1422 (Accessed: 20 May 2024).