V. Kositchaiyong, D. Rutanarugsa, O. Loatrakul, P. Thongruang, and C. Chuasoong, “AN EVALUATION OF DRUG COST CONTROL POLICY AT NAKHON PATHOM HOSPITAL”, Thai Bull Pharm Sci, vol. 18, no. 2, pp. 21–37, Feb. 2023.