Immunogenicity and Safety of SARS-CoV-2 Protein Subunit Recombinant Vaccine (IndoVac^®) as a Booster Dose against COVID-19 in Indonesian Adults oleh Kusnandi Rusmil, Eddy Fadlyana, Rodman Tarigan Girsang, Riyadi Adrizain, Andri Reza Rahmadi, Hendarsyah Suryadinata, Muhammad Gilang Dwi Putra, Frizka Primadewi Fulendry, Dinda Tiaraningrum Nashsyah, Rona Kania Utami, Behesti Zahra Mardiah, I Gusti Ayu Trisna Windiani, I Gusti Agung Ngurah Sugitha Adnyana, Ni Luh Sukma Pratiwi Murti, I Ketut Agus Somia, I Made Susila Utama, Soetjiningsih Soetjiningsih, Ulfa Luthfiani Nurkamila Mutiara, Mita Puspita