Salkind, Neil J., <br/><br/>
Exploring research / 
Neil J. Salkind. 
 - Fourth edition. 
 - xix, 336 pages :  illustrations,  27 cm. 
<br/><br/>References : page 315 - 317 and index. 
<br/><br/><label>ISBN: </label>0130831549  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Research--Methodology.<br/>Education--Research--Methodology