No Inv.: 547/S/Perp/95/1c
Judul asli : "Neiburge, Understanding our Environment".
No Inv.: 2926/P/Perp/96/1c
No Inv.: 6052/AF/Perp/96/1c
No Inv.: 291-293/BLN/Perp/91/3c
No Inv.: 248-250/BLN/Perp/91/3c
No Inv.: 3592/Perp/86/1c
No Inv.: 516-520/P/Perp/94/5c~89294/S/Perp/04/1c
No Inv.: 916-917/S/Perp/88/2c~797-798/S/Perp/90/2c~495/S/Perp/93/1c
No Inv.: 2028/P/Perp/92/1c~125621/P/Perp/10/1c