@article{Franchini_Herrera-Valenzuela_2021, title={Preface}, volume={16}, url={https://revistas.unileon.es/ojs/index.php/artesmarciales/article/view/6998}, DOI={10.18002/rama.v16i1s.6998}, number={1s}, journal={Revista de Artes Marciales Asiáticas}, author={Franchini, Emerson and Herrera-Valenzuela, Tomás}, year={2021}, month={Mar.}, pages={5–7} }