No Inv.: 2258/P/Perp/95/1c
No Inv.: 3920/Perp/86/1c
No Inv.: 3498-3582/P/99/2c
Judul asli : "ISO 14001 Ceritification : Environmental Management System"
No Inv.: 74460-74464/P/01/5c
No Inv.: 80871/S/02/1c
No Inv.: 82046-82047/P/02/2c
No Inv.: 85601/P/Perp/FIS/03/1c
No Inv.: 115136/S/Perp/08/1c
No Inv.: 121017/S/Perp/09/1c