00335n a2200133 a 4500000002100000001000700021005001700028020002200045082001800067100002200085245004600107260003800153300001000191B B 04142120220204121907.0 a978-0-19-569918-0 a659.2bQ0 COM aSachdeva, Iqbal S aPublic Relations Principles and Practices aUKbOxford University Pressc2010 a568p.