Ashcroft, Peter, Kate Williams, William Raymond, Nathan Evans, Rhodri Williams, Ned Patridge, and Morgan D Williams. “Fitness Characteristics of the Welsh Rugby Union’s Schools and Colleges League Players”. International Journal of Strength and Conditioning 6, no. 1 (July 31, 2026). Accessed October 22, 2026. https://journal.iusca.org/index.php/Journal/article/view/469.