Johansen, B.T., Haugen, T. and Kjeøen Erikstad, M. 2022. Coping with external stressors in handball and football elite refereeing: The relationship with referee efficacy. Scandinavian Journal of Sport and Exercise Psychology. 4, 1 (Sep. 2022), 20–26. DOI:https://doi.org/10.7146/sjsep.v4i1.129894.