Tadeusz Nowicki and  Radosław Pytlak and  Robert Waszkowski and  Jerzy Bertrandt and  Anna Kłos,  Formal Models of Sanitary Inspections Teams Activities.   journal   = {International Journal of Nutrition and Food Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 86(2). 72 - 79
    [viewed 28 October 2021]. Available from: https://publications.waset.org/pdf/9997356.