Ostle  Bernard <br/><br/>
Statistics in research: basic concepts and techniques for research workers 

 - 2nd ed. 
 - Iowa      State University Press  US 1963     
 - xv, 585p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  <Statistics>
<br/><br/><label>Dewey Class. No.: </label>311/OST