@article{bossle_fraga_2011,  title={O Personal Trainer na Perspectiva do Marketing},  volume={33},  ISSN={0101-3289},  url={https://doi.org/10.1590/S0101-32892011000100010},  DOI={10.1590/S0101-32892011000100010},  number={1},  journal={Revista Brasileira de Ciências do Esporte},  publisher={Colégio Brasileiro de Ciências do Esporte (CBCE)},  author={Bossle, Cibele Biehl and Fraga, Alex Branco},  year={2011},  month={Mar},  pages={149–162} }