Mason, Emanuel J. <br/><br/>
Understanding and conducting research :  applications in education and the behavioral sciences / 
Emanuel J. Mason, William J. Bramble. 
 - 2nd ed. 
 - New York :  McGraw-Hill Book,  1989. 
 - 467 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0070407037 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Research<br/>Education--Research<br/>Social sciences--Research