2018-02-202025-05-262018-02-202017-07-09Red tide alert up in Masbate. (2017, July 09). The Philippine Star, p. 16.http://hdl.handle.net/20.500.12174/94enRed tide alert up in MasbatenewspaperArticleRed tidesBiological poisonsshellfishparalytic shellfish poisoning