Trihas, N., and A. Konstantarou. “Spa-goers’ Characteristics, Motivations, Preferences and Perceptions: Evidence from Elounda, Crete”. Almatourism - Journal of Tourism, Culture and Territorial Development, vol. 7, no. 14, Jan. 2016, pp. 106-27, doi:10.6092/issn.2036-5195/6300.