Lorna Guinness, Virginia Wiseman
McGraw-Hill, 2011
Buku Teks
edited by Warren Greenberg
Aspen Systems , 1978
Buku Teks
Ronaldo Octaviano, author
2018
UI - Tesis (Membership)
Ady Iswadi Thomas, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2015
UI - Tesis (Membership)
Roemer, Milton I., author
Oxford University Press, 1991
Buku Referensi