00606nam a2200181Ia 4500003000400000008004100004020001400045040000800059100001600067245011500083250001900198260004100217300001500258901002100273942001200294952010100306999001700407LDD181029s9999    xx            000 0 und d  a335000452  cLDD  aBates, Tony 0aEvaluating educational television and radiobproceedings of the International co Kingdom, 9-13 AprcTony Bates  aRobinson, John  aMilton KeynesbOpen Universityc1977  axviii, 410  a1306b12-03-1998  2ddccBK  00102ddc4070922196aLDDbLDDd2018-11-01l0o371.33 Ev14p005507r2018-11-01w2018-11-01yBK  c22197d22197