Ali Farhaninejad and  Rizal Zahari and  Ehsan Rasooliyazdi,  Multi-criteria Optimization of Square Beam using Linear Weighted Average Model.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2012, vol. 68(8). 1740 - 1743
    [viewed 24 October 2019]. Available from: https://publications.waset.org/pdf/8481.