Judul asli : "The Practice of Entrepreneurship"
No Inv.: 139975-139979/P/Perp/14/5c
No Inv.: 438-447/S/Perp/98/10c
No Inv.: 49653/Perp/69/1c~49747/Perp/69/1c
No Inv.: 522/Perp/79/1c~524/Perp/79/1c
No Inv.: 70450/Perp/70/1c
No Inv.: 4314-4316/P/99/3c~129925/S/Perp/11/1c
Judul asli :"Marketing Management"
No Inv.: 67301/S/00/1c
No Inv.: 75821/S/00/1c