Bührer, Martin Robert, et al. “Fostering Positive Affective Exercise Experiences and Affect-Related Competencies for a Physically Active Lifestyle: The FEEL Project – Results of the Pilot-Study”. Current Issues in Sport Science (CISS), vol. 10, no. 2, Jan. 2025, p. 042, https://doi.org/10.36950/2025.2ciss042.