Amjad Alsulami and  Farah Albishri and  Kholod Alzubidi and  Lama Almehemadi and  Salma Elhag,  QR Technology to Automate Health Condition Detection Payment System: A Case Study in Schools of the Kingdom of Saudi Arabia.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2023, vol. 203(11). 619 - 629
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10013346.