Kiranmayee, D. ., J. . Shafi, A. . Waheed, and P. V. . Krishna. “Block-Chain-Based Vaccine Volunteer Records Secure Storage and Service Structure”. International Journal on Recent and Innovation Trends in Computing and Communication, vol. 10, no. 9, Sept. 2022, pp. 77-85, doi:10.17762/ijritcc.v10i9.5707.