TY  - BOOK
AU  - Bolt, Brian
TI  - Mathematical activities : a resource book for teachers
SN  - 9780521285186
SN  - 81012288
U1  - 372.7 BOL 
PY  - 1982///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Mathematics - Study and teaching
KW  - Teaching - Aids and devices
N1  - Bibliography: p. 205-206
ER  -