WASET
    David W. Farler and  Perry Haan,  Effective Leadership in the Engineering, Technology, and Construction Industry.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2021, vol. 174(6). 641 - 645
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/10012112.