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1gan Slaughter, Judith Pollard, 1938-“...International Reading Association,...”
Cyhoeddwyd 1993
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2Cyhoeddwyd 1977“...Heinemann in association with SSRC and SCRE,...”
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5gan Genishi, Celia, 1944-“...Teachers College Press ; National Association for the Education of Young Children,...”
Cyhoeddwyd 2009
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