Amil Daraz and  Suheel Abdullah Malik and  Tahir Saleem and  Sajid Ali Bhati,  Ziegler Nichols Based Integral Proportional Controller for Superheated Steam Temperature Control System.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2017, vol. 125(5). 601 - 605
    [viewed 15 October 2019]. Available from: https://publications.waset.org/pdf/10007175.