Briones, John Mark C., Flood risk map for Bula, Camarines Sur/ John Mark C. Briones, Karren C. Cervantes, Jennimel R. Dayupay, Jaime E. Penolio Jr. - Nabua, Camarines Sur : Camarines Sur Polytechnic Colleges ; 2012. - 92 leaves. Undergraduate Thesis (BSCE) - Civil Engineering Subjects--Topical Terms: Floods--Bula, Camarines Sur.--Maps