Hadi Gholizadeh and  Ali Tajdin,  Optimizing and Evaluating Performance Quality Control of the Production Process of Disposable Essentials Using Approach Vague Goal Programming.   journal   = {International Journal of Mechanical and Industrial Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2018, vol. 133(1). 17 - 27
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10008489.