Tria, Wilmer Joseph S., Ako asin an kapwa ko pilosopiya nin tawo/ Wilmer Joseph S. Tria - Naga City : Ateneo de Naga University Press, 2009. - x, 154 pages : illustrations; 23 cm. Includes Index, Includes Bibliography pages (142-143). Bikol ISBN: 9789719330233 Subjects--Topical Terms: Philosophy. Philosophical Anthropology. Bikol, Philippines. Dewey Class. No.: 128 / T730a