Brueckner, Leo J.
Reaching number goals / Leo J. Brueckner, Elda L. Merton and Foster E. Grossnickle. - New York : J.C. Winston, c 1961. - vi, 490 p. : ill. ; 24 cm.
343 343
Arithmetic.
510.7 / B832r
Reaching number goals / Leo J. Brueckner, Elda L. Merton and Foster E. Grossnickle. - New York : J.C. Winston, c 1961. - vi, 490 p. : ill. ; 24 cm.
343 343
Arithmetic.
510.7 / B832r