TY  - BOOK
AU  - Jensen,Rosalie
TI  - Exploring mathematical concepts and skills in the elementary school
SN  - 0675090296
PY  - 1973///
CY  - Columbus, Ohio
PB  - Charles E. Merrill
KW  - Mathematics
KW  - Study and teaching (Elementary)
N1  - Includes bibliographies
ER  -