Reaching Number Goals / 
Leo J. Brueckner and Elda L. Merton 
 - New York :  Holt, Rinehart and Winston, Inc.  1961 
 - 410 p. :  ill. ;  23 cm. 
<br/><br/>Includes Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Airthmetic
<br/><br/><label>Dewey Class. No.: </label>511  / BRU 1961