Astive, Nimfa P., Corncob fiberboard as a construction material/ Nimfa P. Astive, Lea M. Escuro, Alan P. Velarde - Nabua, Camarines Sur : Camarines Sur Polytechnic Colleges ; 2008. - 82 leaves. Undergraduate Thesis (BSCE) - Civil Engineering Subjects--Topical Terms: Concrete construction--Materials.