Aspects of educational technology
Packham, Derek.
Cleary, Alan.
Mayes, Terry.
Association for Programmed Learning and Educational TechnologyAnnual Conference6thNewcastle upon Tyne1971.
London Pitman,
1971
'...contains addresses and papers given at the sixth annual conference of the Association...held at the University of Newcastle upon Tyne from 31st March to 3rd April, 1971.' - Foreword
bibl
Audio-visual education