Dilley, Clyde A.
Heath elementary mathematics / Clyde A. Dilley, Walter E. Rucker and Ann E. Jackson. - 1st ed. - London : D. C. Heath, c 1972. - 316 p. : 24 cm. ill. ;
Includes index.
318 318
0-669-59840-2
Elementary education--Mathematics.
372.7 / D583h
Heath elementary mathematics / Clyde A. Dilley, Walter E. Rucker and Ann E. Jackson. - 1st ed. - London : D. C. Heath, c 1972. - 316 p. : 24 cm. ill. ;
Includes index.
318 318
0-669-59840-2
Elementary education--Mathematics.
372.7 / D583h