Judul asli : "Managerial Psychology"
No Inv.: 13155-13159/P/Perp/94/5c~5775-5779/P/Perp/92/5c
No Inv.: 14567-14568/P/Perp/94/2c
No Inv.: 1549/S/Perp/92/1c~2157-2166/P/Perp/92/10c~6680-6684/P/Perp/92/5c
No Inv.: 4650-4654/P/Perp/92/5c~2690/P/Perp/98/1c
No Inv.: 1899/P/Perp/92/1c
Judul asli : "Self Help for Your Nerves"
No Inv.: 5880-5889/P/Perp/92/10c
No Inv.: 9256-9265/P/Perp/92/10c
No Inv.: 9779-9783/P/Perp/92/5c