Sancesario-Pérez L, Núñez-Aliaga F, Romero-Esquivel R. Process of local strategic sports identification. Its conception from General Theory of Systems. CyD [Internet]. 1Jan.2020 [cited 19Aug.2021];5(1):1 -18. Available from: https://revistas.reduc.edu.cu/index.php/cienciaydeporte/article/view/3043