Aidani Ulfa Harahap, F. ., R. . Nur Indah Siregar, W. . Yanti Sihotang, and A. . Napiah Nasution. “Drug Management On Availability Of Drugs In Pharmaceutical Installations Pabatu General Hospital Pt Pmn Using Fifo & Fefo Methods”. International Journal of Health and Pharmaceutical (IJHP), vol. 3, no. 1, Sept. 2022, pp. 72-81, doi:10.51601/ijhp.v3i1.137.