Category: Department OrderSub Category: construction-materialsSeries: 1990No: 93Superseded by: DO_011_s2007File: DO_093_S1990.pdfDate: Tuesday, April 24, 1990Superseded Link: http://www.dpwh.gov.ph/dpwh/sites/default/files/issuances/DO_011_S2007.pdfTags: Procurement Payment Construction Materials Projects Administration 093