No Inv.: 1549/S/Perp/92/1c~2157-2166/P/Perp/92/10c~6680-6684/P/Perp/92/5c
No Inv.: 469-471/Perp/83/3c
Judul asli : "Systems Ecology :
No Inv.: 76799-76808/S/01/10c
No Inv.: 11306-11315/P/Perp/98/10c
No Inv.: 101810-1011812/P/Perp/05/4c
No Inv.: 106896/S/Perp/06/1c
No Inv.: 106865/S/Perp/06/1c
No Inv.: 106872/S/Perp/06/1c