Wen-Hsiang Lai and  Nguyen Quang Vinh,  A Study of Analyzing the Selection of Promotion Activities and Destination Attributes in Tourism Industry in Vietnam - From the Perspective of Tourism Industrial Service Network (TISN).   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2012, vol. 62(2). 264 - 270
    [viewed 04 December 2021]. Available from: https://publications.waset.org/pdf/8068.