Developmental mathematics /
Johnston, C. L. 1911-
Developmental mathematics / C.L. Johnston, Alden T. Willis, Gale M. Hughes. - 2nd ed. - Belmont, Calif. : Wadsworth Pub. Co., c1987. - ix, 533 p. : ill. ; 28 cm. - The Johnston/Willis developmental mathematics series . - Johnston, C. L. 1911- (Carol Lee), Johnston/Willis developmental mathematics series. .
Includes index.
0534079806 (pbk.)
Algebra.
512.9
Developmental mathematics / C.L. Johnston, Alden T. Willis, Gale M. Hughes. - 2nd ed. - Belmont, Calif. : Wadsworth Pub. Co., c1987. - ix, 533 p. : ill. ; 28 cm. - The Johnston/Willis developmental mathematics series . - Johnston, C. L. 1911- (Carol Lee), Johnston/Willis developmental mathematics series. .
Includes index.
0534079806 (pbk.)
Algebra.
512.9