Iman Atighi and  Jalal Soleimannejad and  Reza Pourjafarabadi and  Saeid Moradpour,  Providing a Practical Model to Reduce Maintenance Costs: A Case Study in GeG Company.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2018, vol. 140(8). 1093 - 1096
    [viewed 26 February 2020]. Available from: https://publications.waset.org/pdf/10009416.