TY - BOOK AU - Ihlen,yvind AU - Fredriksson,Magnus AU - Ruler,Betteke van TI - Public relations and social theory: key figures and concepts T2 - Communication series SN - 9780415997850 (hbk.) PY - 2009/// CY - New York PB - Routledge KW - Public relations KW - Evaluation KW - Research KW - Social sciences KW - Philosophy KW - Social scientists ER -