Series in mathematics modules 
[by] Leon J. Ablon [and others] 
 - Menlo Park, Calif.  Cummings Pub. Co.  [1973- 
 - v.  illus.  24 cm. 
<br/><br/><label>LCCN: </label>72094408 //r75 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>LC Class. No.: </label>QA39.2  / .S47 
<br/><br/><label>Dewey Class. No.: </label>512.9/008