Ju-Chun Chien,  Examining Herzberg-s Two Factor Theory in a Large Chinese Chemical Fiber Company.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2013, vol. 78(6). 1679 - 1684
    [viewed 16 December 2019]. Available from: https://publications.waset.org/pdf/6523.