Siregar ST, Badaruddin, Andayani LSA. The Effect Of Hospital Management Information Systems On Human Resources Services In Haji General Hospital Medan, Sumatera Utara Province. J. of Environmental & Development Studies [Internet]. 2023 May 16 [cited 2026 May 18];4(01):010-7. Available from: https://talenta.usu.ac.id/jeds/article/view/8980