Search Results       Your search for [subject]ecological changes -- coastal environment -- waste water disposal -- 1989 -- Quezon City returned 1 record.           Ecological changes brought about by human intervention in the Manila Bay and its coastal areas. Quezon City: AGSSB-PAGASA, 1989. Subject: ecological changes -- coastal environment -- waste water disposal -- 1989 -- Quezon City; Environmental science.          Add to Book Cart Relevance: 58.78%