Search Results       Your search for [author]Marzan, Anita Mangahas, 1940- returned 1 record.           A model for the prediction of water quality of Laguna de Bay. by Marzan, Anita Mangahas, 1940-; Subject: Water supply -- Philippines -- Laguna de Bay -- Mathematical models; Laguna de Bay.          Add to Book Cart Relevance: 30.81%