Gould, D., Pierce, S., Cowburn, I., Driska, A. Veröffentlicht in International Sport Coaching Journal (2017) “... a case study approach, in-depth interviews at several points in time with Robinson were conducted...”
Khodayari, A., Babaei Jafari, M., Asgari, B., Babaei Jafari, A. Veröffentlicht in International Journal of Wrestling Science (2014) “...interview...”
Kämpfe, A. Veröffentlicht 2009 “...interview...”