Susovan Chakrabortty and  Madhumangal Pal and  Prasun Kumar Nayak,  Solution of Interval-valued Manufacturing Inventory Models With Shortages.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    August 2010, vol. 44(8). 613 - 618
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/769.