Benjamin Osei-Tutu,  Evaluation of Food Safety Management Systems of Food Service Establishments within the Greater Accra Region.   journal   = {International Journal of Nutrition and Food Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2018, vol. 133(1). 17 - 21
    [viewed 06 May 2021]. Available from: https://publications.waset.org/pdf/10008993.