Riguccio, L., Tomaselli, G., Carullo, L., Verde, D., & Russo, P. (2017). Identifying areas suitable for wine tourism through the use of multi-criteria and geographic information system: the method and its application in the countryside around Mount Etna (Sicily). Journal of Agricultural Engineering, 48(2), 88–98. https://doi.org/10.4081/jae.2017.624