Giraldo Uribe, J.J., Sánchez Muñoz, M. del P. and Ruíz Agudelo, H.H. (2020) “Environmental indicators for sustainable tourism proposal. Case of the la Tatacoa desert, Huila, Colombia”, Semestre Económico, 23(54), pp. 239–261. doi:10.22395/seec.v23n54a12.