Mustafa Man, Mohd. Kamir Yusof, Wan Aezwani Wan Abu Bakar, Lim Chee Hwa 2020. HIC: Health Immunity Certificate Using NFC Technology for Controlling and Monitoring of COVID-19 Patient Movement during and after MCO Period. International Journal of Advanced Science and Technology. 29, 04 (Jun. 2020), 3782 -.