TY  - BOOK
AU  - Sygaco, Sonia B. 
AU  - I. Title.
TI  - Principles and competencies in purposive communication: (writing, speaking, and presenting to different audiences for various purposes)
SN  - 9789719645542
AV  - P 90 S31 2018 
PY  - 2018///
CY  - Quezon City
PB  - Great Books Tradidng
KW  - 1. Communication.
N1  - Include bibliographical references
ER  -