Chih-Cheng Chen and  Meng-Lung Lin and  Yung-Tan Lee Tsun-I Hsiao and  Yi-Cheng Chen,  Exploring the Behavior of Recreational Bicyclists: an Empirical Study in Danshuei and Bali, Northern Taiwan.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2010, vol. 43(7). 1749 - 1752
    [viewed 19 October 2019]. Available from: https://publications.waset.org/pdf/8252.