Habibollah Najafi and  Amir Abbas Yazdani and  Hosseinali Nahavandi,  Value Engineering and Its Effect in Reduction of Industrial Organization Energy Expenses.   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2010, vol. 38(2). 68 - 74
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/7267.