Brueckner, Leo J.
The new knowing about numbers / Leo J. Brueckner, Foster E. Grossnickle and Elda L. Merton. - Toronto : John C. Winston, c 1956. - 394 p. : ill. ; 24 cm. - Winston arithmetics ; .
337 337
Arithmetic--Study and teaching.
510.7 / B832n
The new knowing about numbers / Leo J. Brueckner, Foster E. Grossnickle and Elda L. Merton. - Toronto : John C. Winston, c 1956. - 394 p. : ill. ; 24 cm. - Winston arithmetics ; .
337 337
Arithmetic--Study and teaching.
510.7 / B832n