Christensen, Mary, 1951- , author
American Management Association, 2008
eBooks
Hayden, C. J., author
American Management Association, 2013
eBooks
Wright, Jeremy, author
Alex Media Komputindo, 2007
Buku Teks
Lipsey, Richard G., 1928-, author
Harper Collin, 1996
Buku Teks
Adreson, W. H. Locke, author
Prentice Hall of India, 1986
Buku Teks