World Health Organization
World Health Organization, 2006
Buku Teks
Demissie, Alem, author
Taylor and Francis, 2017
Artikel Jurnal
edited by G. Gordon Schulmeyer and James I. McManus
Van Nostrand Reinhold, 1992
Buku Referensi
Evans, James R. (James Robert), 1950-
2002
Multimedia
Raffi Muhamad Syarif, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2023
UI - Tugas Akhir