PURNAMA, M.; PURNAMA, O. Stock Price and Covid-19 Vaccine: Comparison Study on PT. Kimia Farma, Tbk. (KAEF) Stock Prices. Primanomics : Jurnal Ekonomi & Bisnis, [S. l.], v. 20, n. 2, p. 1–13, 2022. DOI: 10.31253/pe.v20i2.965. Disponível em: https://jurnal.ubd.ac.id/index.php/PE/article/view/965. Acesso em: 2 may. 2024.