TY  - BOOK
AU  - Lesh,Richard A.
AU  - Landau,Marsha
TI  - Acquisition of mathematics concepts and processes
PY  - 1983///
CY  - New York
PB  - Academic
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Psychological aspects
KW  - Cognition in children
N1  - Companion vol. to : The Development of mathematical thinking; Includes bibliographies and indexes
ER  -