00644nam a2200181Ia 4500008004100000100005300041245009800094260001100192260001500203260000900218300000800227490001200235942000700247999001500254952005900269952007000328952006400398201214s9999    xx            000 0 und d  aTrott, Andrew, Strongman, Harry and Giddins, Les 0aAspects of Educational Technology- vol.XVI : Improving Efficiency in Education and Training    aLondon  bKogan Page  c1983  a237  vVol.-XV  cBK  c5734d5734  00104070aCLd2020-12-14r2020-12-14w2020-12-14yBK  00104070d2020-12-14o370.941 T8584r2020-12-14w2020-12-14yBK  00104070d2020-12-14pPM00683r2020-12-14w2020-12-14yBK