No Inv.: 76497/S/01/1c
Judul asli : "The Resource Conservation Glossary"
No Inv.: 877/S/Perp/92/1c~115072/S/Perp/08/1c
No Inv.: 625/P/Perp/94/1c
No Inv.: 1452/S/Perp/91/1c
No Inv.: 106669/P/Perp/06/1c
Bibliografi disetiap akhir bab No Inv.: 137824/P/Perp/14/1c