No Inv.: 782-783/BD/Perp/86/2c
Judul asli : "Neiburge, Understanding our Environment".
Judul asli : "Matrix Analysis of Fremed Structures"
No Inv.: 918-919/BD/Perp/86/2c~2726/Perp/86/1c~2529/S/Perp/89/1c
No Inv.: 1461-1462/BD/Perp/86/2c
Judul asli : "Principles and Procedure of Statistics"
No Inv.: 70/AF/Perp/89/1c~167/AF/Perp/92/1c~309/YA/Perp/88/1c~2124/S/Perp/89/1c~105199/S/Perp/06/1c
No Inv.: 3643/H/Perp/86/1c
No Inv.: 2625-2627/BLN/Perp/91/3c~4992/P/00/1c~74774/P/01/1c