WASET
    Supattra Kanchanopast,  Working Motivation Factors Affecting Job Performance Effectiveness.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2013, vol. 80(8). 2444 - 2446
    [viewed 04 May 2024]. Available from: https://publications.waset.org/pdf/16244.