Idayanti, Nur, Dwi Sutiningsih, Mochamad Hadi M, and Imam Abrori. “Adverse Effects Associated With Third-Booster COVID-19 Vaccine (Heterologous Vaccines by Sinovac- Moderna) Among Health Care Workers”. International Journal of English Literature and Social Sciences (IJELS) 6, no. 6 (January 3, 2022). Accessed July 22, 2024. https://journal-repository.com/index.php/ijels/article/view/4526.