Bereiter, Carl Willoughby, Stephen S.
Math : explorations and applications - 6th ed - Worthington : SRA/McGraw Hill, 1999 - 601 p.
0026878577
MathematicsEducationAdolescence
QA 135, W689m
Math : explorations and applications - 6th ed - Worthington : SRA/McGraw Hill, 1999 - 601 p.
0026878577
MathematicsEducationAdolescence
QA 135, W689m