TY  - BOOK
AU  - BIGGS,Edith Ethel
TI  - Mathematics for younger children
T2  - British primary schools today
SN  - 0333132114
PY  - 1971///
CY  - London
PB  - Macmillan
KW  - Mathematics
KW  - Study and teaching (Primary)
KW  - Great Britain
N1  - Includes bibliographical references (pages 65-68)
ER  -