@article{weinberg_2013,  title={Mental toughness: what is it and how to build it},  volume={24},  ISSN={1983-3083},  url={https://doi.org/10.4025/reveducfis.v24.1.17523},  DOI={10.4025/reveducfis.v24.1.17523},  number={1},  journal={Revista da Educação Física / UEM},  publisher={Universidade Estadual de Maringá },  author={Weinberg, Robert},  year={2013},  month={Jan},  pages={1–10} }