Om Prakash Verma and  Rajesh Singla and  Rajesh Kumar ,  Intelligent Temperature Controller for Water-Bath System.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2012, vol. 69(9). 1178 - 1184
    [viewed 18 October 2019]. Available from: https://publications.waset.org/pdf/17300.