Bartha, Éva Judit, and Éva Bácsné Bába. “Studies on Consumer Motivation Among Users Of Fitness Services”. International Journal of Engineering and Management Sciences 3, no. 4 (September 30, 2018): 442–453. Accessed November 24, 2024. https://ojs.lib.unideb.hu/IJEMS/article/view/5099.