WASET
    Micheli Anna Paola and  Intrisano Carmelo and  Calce Anna Maria,  The Impact of Health Tourism on Companies’ Performance: A Cross Country Analysis.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2022, vol. 185(5). 276 - 282
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/10012554.