TY  - BOOK
AU  - Brown,Stephen I.
AU  - Walter,Marion I.
TI  - The art of problem posing
SN  - 9780805849769 (hbk.) :
AV  - QA63 .B76 2005
PY  - 2005///
CY  - Mahwah, N.J.
PB  - Lawrence Erlbaum
KW  - Problem solving
N1  - Includes bibliographical references (p. 172-176) and indexes
ER  -