[1] N. Idayanti, D. Sutiningsih, M. H. M, and I. Abrori, “Adverse effects Associated with Third-Booster COVID-19 Vaccine (Heterologous Vaccines by Sinovac- Moderna) among Health Care Workers,” IJELS, vol. 6, no. 6, pp. 250–252, 2021, doi: 10.22161/ijels.66.39.