Caravello, G.U., Boselli, A.M., Bertollo, P. and Baroni, A. 2016. Assessing Ecosystem Health: An Analysis of Tourism related Change and Impact in Khumbu Valley, Nepal. Ecoprint: An International Journal of Ecology. 14, (Sep. 2016), 45–64. DOI:https://doi.org/10.3126/eco.v14i0.4826.