Numerof, Rita E.
Aspen systems , 1983
Buku Teks
Putri Devi Indriastuty, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2022
UI - Skripsi (Membership)
Smyth, Terry, author
Macmillan, 1996
Buku Teks
edited by David Kelleher and Sheila Hillier
Routledge, 1996
Buku Teks
Hughes, Rebecca, contributing writher; Chasnoff, Ira J., consultan; Ellis, Jeffrey W., consultan; Fainman, Zachary S., consultan; McDermott, Teri J., consultan
Publications International , 1991
Buku Referensi