Jackson David M Ed. <br/><br/>
Enumeration and design 

 - Toronto  Academic press          1984 
 - x, 317p.  cm. 
<br/><br/> Includes bibliography 
<br/><br/><label>Standard No.: </label>40233 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Combination<br/>Permutation
<br/><br/><label>Dewey Class. No.: </label>B217, M4