Dina Octavia. The Secretary’s Role in Receiving Leadership Guests at the Medan Health Facilities Security Center (BPFK) Office. JMBEP [Internet]. 2023 Sep. 23 [cited 2026 Aug. 8];9(2):105-9. Available from: https://www.jurnal.eka-prasetya.ac.id/index.php/MBEP/article/view/312