Kriddikorn Kaewwongsri and Nikom Suvonvorn, Automatic Checkpoint System Using Face and Card Information. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. November 2016, vol. 109(1). 28 - 33 [viewed 23 September 2024]. Available from: https://publications.waset.org/pdf/10003361.