[1]
Rahardja, U., Hidayanto, A.N., Putra, P.O.H. and Hardini, M. 2021. Immutable Ubiquitous Digital Certificate Authentication Using Blockchain Protocol. Journal of Applied Research and Technology. 19, 4 (Aug. 2021), 308–321. DOI:https://doi.org/10.22201/icat.24486736e.2021.19.4.1046.