Viņas, Judith V., Pulang-angui: salamin ng etnograpiko at sosyolohikang pagkakakilanlan ng bayan ng Polangui, Albay / Judith V. Viņas. - Iriga City: University Saint Anthony, 2025. - xiii, 237 leaves : colored ilustrations, tables, figures ; 28 cm. Includes bibliographical references. Subjects--Topical Terms: Pulang-angui.Salamin.Etnograpiko.Sosyolohiko.Pagkakakilanlan. Dewey Class. No.: 307. 76095 / V794p