Arya Raditya Prawira Putra, Dendi, Yudha Purwanto, & Marisa Paryasto.
"The IMPLEMENTATION OF BLOCKCHAIN AS COVID-19 TEST AND VACCINE CERTIFICATE STORAGE SYSTEM." <em>[CEPAT] Journal of Computer Engineering: Progress, Application and Technology</em> [Online], 1.02 (2022): 7-15. Web. 17 May. 2024