CHMIELEWSKI, Mariusz, 		KUCZAMER-KŁOPOTOWSKA, Sylwia, 		BOGUSZEWICZ-KREFT, Monika, AND 		AYCI, Ali.
" Cost Optimization of the Medical Tourism Market Research Project in Poland and Turkey" <em>Journal of Environmental Management and Tourism</em> [Online], Volume 12 Number 2 (29 March 2021)