Frank C. Pan and  Chih-Hao Chen,  Application of the Transtheoretical Model of Exercise Behavior Change Plan in High School Students.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2010, vol. 43(7). 1672 - 1675
    [viewed 22 October 2019]. Available from: https://publications.waset.org/pdf/8712.