Chiriboga Barba, D. F., D. M. Patiño Cabrera, A. G. Fuentes Moreno, and F. C. Tapia Novillo. “Assessment of Tourism Impact Based on the Methodology of Acceptable Change Limit: Conservation Area Mashpi-Guaycuyacu-Saguangal”. Siembra, vol. 4, no. 1, Dec. 2017, pp. 131-40, doi:10.29166/siembra.v4i1.507.