Valdez Quinte, S. X., E. O. Segura Chávez, E. A. Cabanilla Vásconez, and E. E. Ruiz Mármol. “Elements of the Value Chain That Affect the Development of Tourism Activities in Yasuní National Park”. ConcienciaDigital, Vol. 4, no. 2.2, June 2021, pp. 120-38, doi:10.33262/concienciadigital.v4i2.2.1782.