Gravetter, Frederick J. <br/><br/>
Research methods for the behavioral sciences 
Frederick J. Gravetter 
 - 6th ed. 
 - Australia  Cengage learning  2018 
 - xxv, 546p. 
<br/><br/><label>ISBN: </label>1337613312 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--research methodology <br/>Social sciences --research methodology
<br/><br/><label>LC Class. No.: </label>BF76.5  / .G73 2018