Brueckner, Leo J.
The new discovering numbers / Leo J. Brueckner, Elda L. Merton and Foster E. Grossnickle. - Philadelphia : John C. Winston, c 1956. - 346 p. : ill. ; 24 cm. - Winston arithmatics .
Including index.
314 314
Arithmetic.
Arithmetic -- Study and teaching.
511 / B832n
The new discovering numbers / Leo J. Brueckner, Elda L. Merton and Foster E. Grossnickle. - Philadelphia : John C. Winston, c 1956. - 346 p. : ill. ; 24 cm. - Winston arithmatics .
Including index.
314 314
Arithmetic.
Arithmetic -- Study and teaching.
511 / B832n