J. Winardi
Entrepreneur dan entrepreneurship / J. Winardi
Kencana Prenada Media, 2003
Buku Teks
Wadsworth, James J
The price of peace / James J. Wadsworth
Frederick A. Praeger, 1962
Buku Teks
Lambing, Peggy
Entrepreneurship
Prentice-Hall, 2000
Buku Teks
Entrepreneurship
Buku Teks
Hisrich, Robert D.
Entrepreneurship
McGraw-Hill, 2005
Buku Teks