Garcia-Nunez, Jose, author
Kumarian Press, 1992
Buku Referensi
Brinkerhoff, Robert O., author
Sage, 1990
Buku Teks
Goad, Tom W., author
American Management Association, 1997
eBooks
Goad, Tom W., author
American Management Association, 1997
eBooks
Drago, Carl, author
Blackwell Publishing, 2007
Buku Referensi