Paulo Henrique Trombetta Zannin, Karyn Lia Hamad Anjelo, & Andrei Rei Rodrigues Silveira. (2021). Reaction of Clients and Fitness Instructors to Noise in Fitness Centers. Issues and Development in Health Research Vol. 1, 54–96. https://doi.org/10.9734/bpi/idhr/v1/10018D