Search Results       Your search for [subject]Philippines. -- National Irrigation Administration.Public Affairs Information Department. -- Periodicals returned 1 record.           NIA digest. _ NIA irrigation digest. Quezon City: NIA, 1974. Subject: Philippines. -- National Irrigation Administration. -- Periodicals; Philippines. -- National Irrigation Administration.Public Affairs Information Department. -- Periodicals.          Add to Book Cart Relevance: 41.34%