Nichanant Sermsri and  Chananchida Yuktirat,  Coconut Shells as the Alternative Equipment for Foot Reflexology.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2014, vol. 88(4). 194 - 196
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9998166.