No Inv.: 194/AF/Perp/94/1c
Judul asli : "Solid State Radio Engineering"
Judul asli : "International Economics"
Judul asli :"Marketing
No Inv.: 166/AF/Perp/93/1c~3685/P/Perp/91/1c~111/AF/Perp/93/1c
No Inv.: 14362/P/Perp/94/1c
No Inv.: 999/Pb/Perp/92/1c~4355/P/Perp/91/1c
Judul asli : "Dealing with Difficult People, How You can Come Out Top Personality Conflicts"
No Inv.: 201/P/Perp/95/1c
No Inv.: 354-355/P/Perp/95/2c