Wiryani, Luh Santhi Utami, et al. “Cost Minimization Analysis of Antibiotic Drug Use in Pneumonia Patients at Udayana Class II Hospital”. MEDFARM: Jurnal Farmasi Dan Kesehatan, vol. 14, no. 2, Dec. 2025, pp. 540-5, doi:10.48191/medfarm.v14i2.655.