TY  - BOOK
AU  - Hart,K.M.
ED  - John Murray
TI  - Children's understanding of mathematics: 11-16 
SN  - 071953772X
U1  - 510.71 CHI 23
PY  - 1981///.
CY  - Oxford, [Eng.]: 
PB  - J. Murray, 
KW  - Mathematics
KW  - Study and teaching (Elementary)
KW  - Research
KW  - Great Britain
N1  - "The research programme Concepts in Secondary Mathematics and Science' (CSMS) based at Chelsea College, University of London was funded by the Social Science Research Council for the years 1974-9."; Includes bibliographical references (p. 225-226) and index
ER  -