@article{reis_corrêa_2021,  title={Small-Sided Games as <i>Holons</i> in the Football: a hierarchical systems approach},  volume={23},  ISSN={1980-0037},  url={https://doi.org/10.1590/1980-0037.2021v23e74081},  DOI={10.1590/1980-0037.2021v23e74081},  journal={Revista Brasileira de Cineantropometria & Desempenho Humano},  publisher={Universidade Federal de Santa Catarina},  author={Reis, Marcos Antônio Mattos dos and Corrêa, Umberto César},  year={2021},  pages={e74081} }