Creative problem solving in school mathematics/
Lencher, George. 2005
Creative problem solving in school mathematics/ George Lencher, - 2nd ed. - New York: Mathematical Olympiad, 2005. - viii, 284 p. : ill.; 28 cm
1882144104
QA 63 .G46 2005
Creative problem solving in school mathematics/ George Lencher, - 2nd ed. - New York: Mathematical Olympiad, 2005. - viii, 284 p. : ill.; 28 cm
1882144104
QA 63 .G46 2005