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> G.P. Robb
G.P. Robb
G. P.
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G. Robb
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P R
title
ISBN-13
(ISBN-10)
year of publica-
tion
other author(s)
Research in Education
978-0-03-089117-5
(0-03-089117-5)
1971
W.L. Turney
Research Methods in Education
978-0-03-089004-8
(0-03-089004-7)
1971
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G. P. Robbins