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Author: Joseph Ray [ All ]

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  Title Copies
Key to Ray's new arithmetics: Primary, intellectual and practical (Ray's arithmetic series) (Ray's arithmetic series) 
Edition: 1st 
Year: 1985 
ISBN: 0880620544 
ISBN 13: 9780880620543 
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Ray's new primary arithmetic: For young learners (Ray's arithmetic series) (Ray's arithmetic series) 
Year: 1985 
ISBN: 088062051X 
ISBN 13: 9780880620512 
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