Tiamson, Juan Alvin ECHAOES : Integrated English Arts and Skills / Tiamson, Juan Alvin - Quezon City : St. Agustine Publication Inc. 2015 - ii, 453 pages : illustrations, tables 27 cm. + Includes Bibliographical References English ISBN: 9789716838015 Dewey Class. No.: FIL 428.07 / T431