YACELGA ROSERO, Cecilia; SOLÓRZANO ROBINSON, Hada. Sustainability in the curriculum of the tourism professional at the Polytechnic State University of Carchi UPEC. Tierra Infinita, [S. l.], v. 5, n. 1, p. 189–200, 2019. DOI: 10.32645/26028131.969. Disponível em: https://www.revistasdigitalesupeceduec35.biteca.online/index.php/tierrainfinita/article/view/969. Acesso em: 18 dec. 2025.