Psychological readiness of elite rugby players at return to play after severe knee injury
A.D. Robyn, Q.A. Louw, J. Baumeister, African Journal for Physical Activity and Health Sciences (AJPHES) 28 (2022) 185–202.

Anthropometric and physical performance profiles of elite junior rugby union players in the Western Cape, South Africa
A.D. Robyn, K. Berner, J. Baumeister, Q. Louw, African Journal for Physical Activity and Health Sciences (AJPHES) 27 (2022) 501–515.