00316nam a2200121Ia 4500008004100000100001900041245003900060245001800099260000900117300002800126440003000154650001000184171207s9999    xx            000 0 und d  aBurns, Maureen 4aThe value of public service media   cMaureen Burns  c2017  apages 803-804, May 2017  aNew Media & Societyv19:5  aMEDIA