Padua, Rodalyn R., Pumice as an aggregate for lightweight concrete/ Rodalyn R. Padua, Maria Otilia R. Pesebre, Era Jeralyn M. Pilapil - Nabua, Camarines Sur : Camarines Sur Polytechnic Colleges ; 2006. - 84 leaves Undergraduate Thesis (BSCE) - Civil Engineering Subjects--Topical Terms: Aggregates (Building materials)--TestingPumice.