Ravina, Elimar Alupay <br/><br/>Inquiries, investigations, and immersion/ Elimar Alupay Ravina, and Mary Joy Daniel Viñas.--  -- Manila, Philippines:  Rex Book Store, Inc.,  2023. <br/>vi, 163 p.;  27 cm. <br/><br/> Includes bibliographical references and indexes. <br/><br/><label>ISBN: </label>9786210443264 <br/><br/><label>Subjects--Topical Terms: </label><br/>Research.<br/><br/><label>Dewey Class. No.: </label>SHS 001.4 R256 2023