Judul asli : "Solid State Radio Engineering"
Judul asli : "Excellent in Management"
No Inv.: 6189-6196/P/Perp/92/8c
Judul asli : Dukkeforeren
No Inv.: 2923-2924/Pb/Perp/91/2c~4471-4480/P/Perp/97/10c
No Inv.: 1473-1475/P/Perp/92/3c~576-583/P/Perp/94/8c
No Inv.: 6514-6518/P/Perp/92/5c
Judul asli : "Leaders"
No Inv.: 1856-1857/P/Perp/92/2c
Judul asli : "Human Behavior at Work : Organization Behavior"