S.Choosakoonkriang and  S. Supaluknari and  P. Puangkaew,  High Performance Liquid Chromatographic Method for Determination of Colistin Sulfate and its Application in Medicated Premixand Animal Feed.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2013, vol. 76(4). 224 - 228
    [viewed 19 September 2020]. Available from: https://publications.waset.org/pdf/14020.