Fundamental concepts of elementary mathematicc /
Heinke, Clarence H., 1912-
Fundamental concepts of elementary mathematicc / Clarence H. Heinke - Encino, Calif. : Dickenson Pub, 1970 - xviii, 348 p. 24 cm.
Arithmetic--Foundations
Fundamental concepts of elementary mathematicc / Clarence H. Heinke - Encino, Calif. : Dickenson Pub, 1970 - xviii, 348 p. 24 cm.
Arithmetic--Foundations
