TY - BOOK
AU - Krulik, Stephen
AU - Reys, Robert E.
TI - Problem solving in school mathematics
PB - National Council of Teachers of Mathematics
PY - 1980
T2 - Yearbook / National Council of Teachers of Mathematics
VL - 1980
EP - xiv, 241 p.
UR - https://ci.nii.ac.jp/ncid/BA1225885X
SN - 0873531620
ER -
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