Basic concepts of mathematics,
Webber, G. Cuthbert 1906-
Basic concepts of mathematics, by G. Cuthbert Webber and John A. Brown. - Reading, Mass., Addison-Wesley Pub. Co. [1963] - 328 p. illus. 24 cm. - Addison-Wesley science and mathematics education series .
63010961
Arithmetic--Foundations.
QA248.3 / .W4
511
Basic concepts of mathematics, by G. Cuthbert Webber and John A. Brown. - Reading, Mass., Addison-Wesley Pub. Co. [1963] - 328 p. illus. 24 cm. - Addison-Wesley science and mathematics education series .
63010961
Arithmetic--Foundations.
QA248.3 / .W4
511