Dapat, Rizal O. Essence and essentials of purposive communication in the 21st century - Mandaluyong City Books Atbp. Pub. Corp. 2018 - xii, 302 pages: 26 cm. ISBN: 9786214091171 Subjects--Topical Terms: English language -- study and teaching LC Class. No.: COL PE 1128 .A2 .D23 2018