Simin Asadollahi and  Mohammad Hossein Haddad Khodaparast,  Optimization of Molasses Desugarization Process Using Steffen Method in Sugar Beet Factories.   journal   = {International Journal of Nutrition and Food Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2013, vol. 83(11). 1063 - 1069
    [viewed 05 August 2020]. Available from: https://publications.waset.org/pdf/9996576.