ARYA RADITYA PRAWIRA PUTRA, Dendi; PURWANTO, Yudha; PARYASTO, Marisa. The IMPLEMENTATION OF BLOCKCHAIN AS COVID-19 TEST AND VACCINE CERTIFICATE STORAGE SYSTEM. [CEPAT] Journal of Computer Engineering: Progress, Application and Technology, [S. l.], v. 1, n. 02, p. 7–15, 2022. DOI: 10.25124/cepat.v1i02.5189. Disponível em: https://journals.telkomuniversity.ac.id/cepat/article/view/5189. Acesso em: 3 aug. 2025.