Ömer Faruk Baykoç and  Ümit Sami Sakalli,  An Aggregate Production Planning Model for Brass Casting Industry in Fuzzy Environment.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2009, vol. 28(4). 345 - 349
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/10723.