-
1991
-
1992
-
1993
-
1994
-
1995
Geologic hazards a field guide for geotechnical engineers
Published 2007Table of contents only
Book -
1996
-
1997
Amendments to department Administrative Order No. 96-40, as amended
Published in Philippine Star (2007)Article -
1998
-
1999
-
2000
Guidelines for DENR accreditation of third party source emission testing firms
Published in Philippine Star (2007)Article


