TY  - BOOK
AU  - Weissglass,Julian
TI  - Exploring elementary mathematics: a small-group approach for teaching 
AV  - QA135 .E975 1979
PY  - 1979///
CY  - San Francisco
PB  - W. H. Freeman
KW  - Mathematics
KW  - Study and teaching (Elementary)
N1  - 4.es; Bibliography: pages 281-283; 2
ER  -