Brueckner, Leo J.
The new thinking with numbers / Leo J. Brueckner, Foster E. Grossnickle and Elda L. Merton. - Philadelphia : The John C. Winston, c 1959. - vi, 394 p. : ill. ; 24 cm. - Winston arithmetics ; .
Includes index.
337 337
Arithmetic--Study and teaching.
510.7 / B832n
The new thinking with numbers / Leo J. Brueckner, Foster E. Grossnickle and Elda L. Merton. - Philadelphia : The John C. Winston, c 1959. - vi, 394 p. : ill. ; 24 cm. - Winston arithmetics ; .
Includes index.
337 337
Arithmetic--Study and teaching.
510.7 / B832n