1. Alina-Cerasela A. (2015). Spa tourism - A comparative analysis on Spain and Romania. Balneo research journal, 6(3): 199-207. http://dx.doi.org/10.12680/balneo.2015.10106;
2. Armenski T., Blešić I., Djeri L., Dragin A. (2009). Historical development of health and spa tourism in Serbia. 14th International Conference of Historical Geographers, Kjoto University. Congress Proceedings.;
3. Bakucz M., Köbli A. (2016). A competitive analysis of spa tourism in Central European regions. Tourism and Hospitality Industry 2016, Congress Proceedings, pp. 1-17;
4. Blešić I., Popov-Raljić J., Uravić L., Stankov U., Djeri L., Pantelić M., Armenski T. (2014). An importance-performance analysis of service quality in spa hotels. Economic research, 27(1), 483-495.;
5. Draghici C.C., Pintilii R.D., Perptenatu D., Comanescu L.G., Sirodoev I. (2015). The Role of SPA Tourism in the Development of Local Economies from Romania. Procedia Economics and finance 23, 1573-1577. doi: 10.1016/S2212-5671(15)00400-1;