Crooks, Thomas C. <br/><br/>
Contemporary arithmetic 
Thomas C. Crooks and Harry L. Hancock  
 - New York:  Macmillan,  1968. 
 - 336p. 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic
<br/><br/><label>Dewey Class. No.: </label>513  / CRC