Matches in Library of Congress for { <http://lccn.loc.gov/91020373> ?p ?o. }
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- 91020373 contributor B6372253.
- 91020373 created "1991.".
- 91020373 date "1991".
- 91020373 date "1991.".
- 91020373 dateCopyrighted "1991.".
- 91020373 extent "vii, 128 p. :".
- 91020373 identifier "0170076865".
- 91020373 identifier "0435083260".
- 91020373 issued "1991".
- 91020373 issued "1991.".
- 91020373 language "eng".
- 91020373 publisher "Portsmouth, NH : Heinemann,".
- 91020373 subject "372.7 20".
- 91020373 subject "Mathematics Study and teaching (Primary)".
- 91020373 subject "Problem solving.".
- 91020373 subject "QA135.5 .S55 1991".
- 91020373 title "What's your problem? : posing and solving mathematical problems, K-2 / Penny Skinner.".
- 91020373 type "text".