WASET
    Raied Salman and Nazar Younis,  Lessons to Management from the Control Loop Phenomenon.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2007, vol. 12(12). 822 - 825
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/8311.