Osborn, Roger <br/><br/>
Extending Mathematics Understanding 

 - Kottayam  NATIONAL BOOKSTALL  1961 
 - 278p. 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Generalia-- Natural sciences & mathematics 
<br/><br/><label>Dewey Class. No.: </label>510  / OSB-E