WASET
    Hiraku Nunomiya and  Takuo Ichiju and  Yoshiyuki Higuchi,  Review of a Real-Time Infectious Waste Management System Using QR Code.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 23 - 28
    [viewed 07 May 2024]. Available from: https://publications.waset.org/pdf/1958.