Bello, Ignacio, <br/><br/>
Contemporary basic mathematical skills 
Ignacio Bello. 
 - 2nd ed. 
 - New York  Harper & Row  c1983. 
 - xiii, 402 p. : ill.  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0060406143 (pbk.) 
<br/><br/><label>LCCN: </label>82009244  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--1961.
<br/><br/><label>LC Class. No.: </label>QA107  / .B44 1983 
<br/><br/><label>Dewey Class. No.: </label>513