00492cam a2200181M 4500 8178660113 9788178660110 8183185797 HM 263 RAY Rayudu, C. S. Principles of public relations / Mumbai : Himalaya Publishing House, c1997. x, 344 pages : Illustrations ; Includes bibliographical references. Public relations. Balan, K. R. BK 0 0 lcc 0 GIMPA GIMPA REF 2007-10-03 Purchase 0 HM 263 RAY 51629 2023-10-14 2023-10-14 BK 3707 3707