1.
Cruz Pérez Y, Gutiérrez Leyva JE. Theoretical bases - concepts of tourism management in unprotected natural spaces. CCD [Internet]. 2019Jul.5 [cited 2024Nov.22];2(3):23-7. Available from: https://cienciadigital.org/revistacienciadigital2/index.php/ConcienciaDigital/article/view/854