Books listed by ISBN
>
McGraw-Hill
> R. W. Gerard
R. W. Gerard
title
ISBN-13
(ISBN-10)
year of publication
Computers And Education
978-O-O7-O23138-2
(O-O7-O23138-9)
1967
R. Gérard
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Ralph W. Gerard
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W G
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W Gerard
R.W. Gibbins