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, doi:10.26253/heal.uth.ojs.ispe.2022.1570.