Conway, Donald, 1931-  Conway, Donald, 1931- <br/><br/>
Arithmetic; skills and problem solving 
[by] Donald Conway and Martin J. Dreyfuss. 
 - New York,  Harcourt, Brace & World  [1968] 
<br/><br/><label>LCCN: </label>68014378 //r93 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic.
<br/><br/><label>LC Class. No.: </label>QA107  / .C65 
<br/><br/><label>Dewey Class. No.: </label>511