Churchill, Ruel <br/><br/>
OPERATIONAL MATHEMATICS 

 - 0 
 -  Mc Grawhill Company  1981/04/22 
 -  481 
<br/><br/><label>Source: </label> Purchase  Nil  Higginbothams 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>GENERALITIES
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>511