Topalnakou Γ., Papadimitriou Κ., Papadimitriou Ν., and Loupos Δ. “Recording the Warm-Up Methods Which the Greek Coaches Uses in 11 – 12 Years Old Swimmers at 100m Freestyle”. Inquiries in Physical Education and Sport, vol. 20, no. 1, Mar. 2022, pp. 1-15, https://journals.lib.uth.gr/index.php/inquiries/article/view/1570.