Perkos Σ., Hatzigeorgiadis Α., and Chroni Σ. “Performance Routines in Basketball Free Throws: Guidelines for Effective Practice”. Inquiries in Physical Education and Sport, vol. 6, no. 3, Dec. 2008, pp. 378-85, https://journals.lib.uth.gr/index.php/inquiries/article/view/1294.