“Study of Levofloxacin and Cefoperazone-Sulbactam Utilization Cost on Patients With Mild and Moderate Corona Virus Disease- 2019: Studi Biaya Penggunaan Antibiotik Levofloxacin Dan Cefoperazone-Sulbactam Pada Pasien Corona Virus Disease-2019 Derajat Ringan Sampai Sedang”. Journal Pharmasci (Journal of Pharmacy and Science) 9, no. 1 (June 27, 2024): 59–63. Accessed October 25, 2025. https://ejournal.akfarsurabaya.ac.id/index.php/jps/article/view/316.