Dellow, E. L.  <br/><br/>
Methods of science :   an introduction to measuring and testing for laymen and students / 
E. L. Dellow. 
 - New York :  Universe books,  c 1970. 
 - 268 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>343  343 
<br/><br/><label>ISBN: </label>0-87663-129-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science Philosophy & theory.
<br/><br/><label>Dewey Class. No.: </label>501 / D381m