No Inv.: 2055-2056/S/Perp/91/2c~849-851/S/Perp/92/3c~4421-4425/S/Perp/92/5c
No Inv.: 2548/Perp/89/1c~32-34/P/Perp/95/3c~769/P/Perp/94/1c~3823/Pb/Perp/91/1c
Judul asli : "The Professional Secretary : Skill and Techniques for Recognition and Sources"
No Inv.: 10760-10761/P/Perp/92/2c
No Inv.: 3549/Pb/Perp/91/1c
Judul asli :"Marketing
No Inv.: 6540/S/Perp/77/1c
No Inv.: 147/AF/Perp/91/1c