Gunarso, Pujo, Jason Nathaniel, and Ani Rustia Dewi. “Dampak Pengumuman Covid-19 Terhadap Harga Dan Volume Saham Pada Industri Farmasi Di Indonesia ”. MBR (Management and Business Review) 5, no. 2 (November 14, 2021): 325–335. Accessed December 6, 2025. http://ejournal.unikama.ac.id/index.php/mbr/article/view/6115.