RestQ-Cuest APP
Costa, L.O.P., & Samulski, D.M. (2005). Validation process of the recovery-stress questionnaire for athletes (RESTQ-Sport) in portuguese. Brazilian Journal of Science and Movement, 13, 79-86.
Kallus, W. & Kellman, M. (2000). The recovery-stress-questionnaire for athletes. Frankfurt: Swets and Zeitlinger