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The Encyclopaedia of educational media communications and technology
edited by Derick Unwin and Ray McAleese ;...
Bok Engelsk 1988
The Encyclopaedia of educational media communications and technology
Derick Unwin and Ray McAleese [editors]
Bok Engelsk 1978
Programmed learning in the schools
John Leedham, Derick Unwin
Bok Engelsk 1971
Media and methods : instructional technology in higher education
edited by Derick Unwin ; foreword by Sir ...
Bok Engelsk 1969
Programmeret undervisning i skolen
John Leedham, Gudrun Mørch, Derick Unwin
Bok Dansk 1969
Simulation and gaming in education
P. J. Tansey and Derick Unwin
Bok Engelsk 1969
The computer in education : a select bibliography
by Derick Unwin and Frank Atkinson; forew...
Bok Engelsk 1968
The proceedings of the Programmed learning conference held at Loughborough, 15 - 18 April 1966
Association for Programmed Learning and Educational Technology
Bok Språk ikke angitt 1967
Aspects of educational technology : the proceedings of the Programmed Learning Conference
Programmed Learning Conference
Bok Engelsk 1967
Mass, weight and density
Derick Unwin
Bok Engelsk 1966
Programmed learning in the schools
John Leedham, Derick Unwin
Bok Engelsk 1965