Mosquera Mena, R.A. et al. (2019) “Tourism: Models of Sustainable Community-Based Tourism”, in Montenegro Gómez, S.P. and Ángel Osorio, J. (eds.) Ecosystem Services: An Introductory Approach with Experiences from Western Colombia. Colombia,CO: Sello Editorial UNAD (Agriculture, Livestock and Environment), pp. 251–270. doi:10.22490/.