Llanes, Violeta A. <br/><br/>Marketing principles and practice Violeta A, Llanes.  - Manila:  Katha Publishing Company;  c1993  - xi, 334 pages:  with Illustrations;  22 cm. <br/><br/>Includes index <br/><br/><label>ISBN: </label>97115037X <br/><br/><label>LC Class. No.: </label>HF5415  / .L7913 1993