Connecting math concepts :
Engelmann, Siegfried.
Connecting math concepts : level D textbook / Siegfried Engelmann, Owen Engelmann and Douglas Carnine. - New York, N.Y. : Macmillan/McGraw-Hill, c1993. - 363 p. : ill. ; 25 cm.
Includes index.
0574156445
82009003
Maths.
QA43 / .E55 1993
371.1/02
Connecting math concepts : level D textbook / Siegfried Engelmann, Owen Engelmann and Douglas Carnine. - New York, N.Y. : Macmillan/McGraw-Hill, c1993. - 363 p. : ill. ; 25 cm.
Includes index.
0574156445
82009003
Maths.
QA43 / .E55 1993
371.1/02