00553nam a2200181Ia 4500082002000000100001800020245007200038260002700110300001000137490004100147500000500188690000600193700002600199952010200225964001700327921001000344999001700354  a658.45bUn58.AC  aUNESCO, Paris  aApproaches to communication planningbessayscEd. by John Middleton  aParisbThe Auth.c1980  a300p.  aMonographs in communication planning  a  a   aMiddleton, John ; ed.  00104070aISIbISId1998-09-10l0o658.45 Un58.ACpDP17946r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a10025  c10025d10025