Construction Materials Cost Survey.
Category:
Sub Category:
construction-materials
Series:
1982
No:
9
Superseded by:
DO_040_s2009
File:
Date:
Monday, January 18, 1982
Superseded Link:
http://www.dpwh.gov.ph/dpwh/sites/default/files/issuances/DO_040_S2009.pdf
