Valle-Riestra, J. Frank
New York: McGraw-Hill, 1983
Buku Teks
Elsevier, 2013
eBooks
Yoko Yogiswara, author
2016
UI - Tesis (Membership)
Sembiring, Ekin Hagana Imanuel, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2017
UI - Skripsi (Membership)
Austin, George T., author
McGraw-Hill, c1986
Buku Teks