No Inv.: 1806/S/Perp/96/1c
No Inv.: 351/S/Perp/91/1c~700/S/Perp/87/1c~2689/S/Perp/87/1c~4907-4911/P/00/5c
No Inv.: 1972-1973/BD/Perp/87/2c
No Inv.: 13844-13845/P/Perp/94/2c
No Inv.: 12966-12972/P/Perp/94/7c~587/R/Perp/88/1c~4721-4724/P/Perp/92/4c
Judul asli : "Systems Ecology :
No Inv.: 229/AF/Perp/90/1c
No Inv.: 2574/P/Perp/89/1c
No Inv.: 32/AF/Perp/92/1c