Diagnosing mathematical difficulties
Underhill, Robert G.
Diagnosing mathematical difficulties Robert G. Underhill, editor, A. Edward Uprichard, James W. Heddens - Columbus, Ohio Merrill c1980 - ix, 392 p. ill. 24 cm.
Mathematics--Remedial teaching
372.7
Diagnosing mathematical difficulties Robert G. Underhill, editor, A. Edward Uprichard, James W. Heddens - Columbus, Ohio Merrill c1980 - ix, 392 p. ill. 24 cm.
Mathematics--Remedial teaching
372.7