A. Pensiri and  K. Nantaporn and  P. Parichut,  The Study of Tourists’ Behavior in Water Usage in Hotel Business: Case Study of Phuket Province, Thailand .   journal   = {International Journal of Industrial and Systems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2016, vol. 118(10). 3366 - 3370
    [viewed 17 October 2019]. Available from: https://publications.waset.org/pdf/10005514.