Dapat, Rizal O. Essence and essentials of purposive communication in the 21st century Rizal O. Dapat - Mandaluyong City : Books Atbp. Publishing Corp. 2018 - xii, 302 pages ; 26 cm. Includes bibliographical references ISBN: 9786214091096 (paperback) Subjects--Topical Terms: 1. English language -- Study and teaching. LC Class. No.: PE 1128 A2 D23 2018