Theofilidis Γ., Machos Χ., Karatrantou Κ., Toubekis Α., Karampina Ε., and Gerodimos Β. “Race Pace Interval Swimming: Effects of Rest Interval on Physiological and Technical Parameters and Correlation With Handgrip Strength in Boys and Girls Swimmers”. Inquiries in Physical Education and Sport, vol. 17, no. 1, Mar. 2019, pp. 15-22, https://journals.lib.uth.gr/index.php/inquiries/article/view/1521.