TY  - BOOK
AU  - Bernstein,Allen L.
AU  - Wells,David W.
TI  - Trouble shooting mathematics skills
AV  - QA135.5 .B36 1963
PY  - 1963///]
CY  - New York
PB  - Holt, Rinehart and Winston
KW  - Arithmetic
KW  - Study and teaching (Elementary)
UR  - http://www.archive.org/details/troubleshootingm00bern
UR  - http://www.openlibrary.org/books/OL24404810M
ER  -