WASET
    Pieter C. M. Cornelis,  Theme Park Investments: How to Beat the Average - A Case Study from the Netherlands.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2014, vol. 89(5). 1531 - 1538
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/9998324.