No Inv.: 297/S/Perp/91/1c
No Inv.: 322/S/Perp/90/1c~359/S/Perp/88/1c~80059/S/01/1
Judul asli : "Integrated Control of Weeds"
No Inv.: 1534-1536/P/Perp/92/3c~1296/S/Perp/96/1c~4802-4811/P/Perp/97/11c
No Inv.: 1133/S/Perp/90/1c
No Inv.: 197/AF/Perp/91/1c
No Inv.: 1724/S/Perp/88/1c~258-259/S/Perp/90/2c~559-560/S/Perp/92/2c~4531-4535/P/Perp/97/5c
No Inv.: 10686/P/Perp/92/1c
No Inv.: 13602/P/Perp/94/1c