WASET
    Nabil M. Muhaisen and  Rajab Abdullah Hokoma,  Calculating the Efficiency of Steam Boilers Based on Its Most Effecting Factors: A Case Study.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2012, vol. 63(3). 554 - 557
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/15720.