Brueckner, Leo J. 1890-1967.
Making arithmetic meaningful, by Leo J. Brueckner and Foster E. Grossnickle. - Philadelphia, Winston 1953 - 570 p. illus. 22 cm.
53003914
Arithmetic--Study and teaching.
QA135 / .B889
511.2 / BRM
Making arithmetic meaningful, by Leo J. Brueckner and Foster E. Grossnickle. - Philadelphia, Winston 1953 - 570 p. illus. 22 cm.
53003914
Arithmetic--Study and teaching.
QA135 / .B889
511.2 / BRM
