R. Uporn and  P. Luangpaiboon,  Cryogenic Freezing Process Optimization Based On Desirability Function on the Path of Steepest Ascent.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2012, vol. 72(12). 2808 - 2813
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/1150.