Claes Nyberg Publications Dual career support among world-class athletes in Sweden - Performance, education, and employment Claes Nyberg, Stefan Wagnsson, Henrik Gustafsson, Owe Strahlman - 2023 Soccer Referees' Experience of Threat and Aggression - Effects of Age, Experience, and Life Orientation on Outcome of Coping Strategy Per Folkesson, Claes Nyberg, Trevor Archer, Torsten Norlander - 2002 Hot och våld mot fotbollsdomare. Torsten Norlander, Per Folkesson, Claes Nyberg - 2001
