TY  - BOOK
AU  - Costello,John J.
TI  - Teaching and learning mathematics, 11-16
SN  - 0415058325
AV  - QA11 .C679 1991
U1  - 372.7 COS 20
PY  - 1991///
CY  - London, New York
PB  - Routledge
KW  - Mathematics
KW  - Study and teaching (Secondary)
KW  - Education
N1  - Includes bibliographical references (p. [181]-185) and index
ER  -