Ya-Fen Lee and  Yun-Yao Chi,  A Structural Equation Model of Risk Perception of Rockfall for Revisit Intention.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 87(3). 653 - 657
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/9997638.