00465nam a2200121Ia 4500008004100000040001700041082002400058110011900082245005600201260002200257300001000279650005400289190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta373.063bO68S  aOrganisation for Economic Co-operation and Development and Centre for Educational Research and Innovations (Paris) 0aSeminar on computer sciences in secondary education  aParisbOECDc1971  a240p.  aEducation, Secondary; Computer-Study and teaching