Aidani Ulfa Harahap, F. .; Nur Indah Siregar, R. .; Yanti Sihotang, W. .; Napiah Nasution, A. . Drug Management On Availability Of Drugs In Pharmaceutical Installations Pabatu General Hospital Pt Pmn Using Fifo & Fefo Methods. IJHP 2022, 3, 72-81.