by Rebecca M. Saunders
Gemini Books, 2000
Buku Referensi
Falcone, Paul, author
American Management Association, 2007
eBooks
Arthur, Diane, author
[American Management Association, ], 2008
eBooks
by Walter J. Wadsworth
Gemini Books, 2000
Buku Referensi
McKirchy, Karen, author
Elex Media Komputindo, 2004
Buku Teks