Artikel Jurnal
Elisabeth Sri Lestari, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2009
UI - Tesis (Open)
Tolley, Keith, author
Routledge , 1995
Buku Teks
Neumann, Peter J., author
Oxford University Press, 2016
eBooks
Deyo, Richard A., author
[American Management Association, ], 2005
eBooks