Essentials of statistics for the behavioral science / 
Gravetter, Frederick J. ; Wallnau, Larry B. ; Forzano, Lori-Ann B. 
 - 9th ed. 
 - Singapore :  Cengage Learning Asia Pte Ltd,  2020. 
 - xvii, 589 p.: 25.5cm. 
<br/><br/>Includes: appendixes, references, name index, subject index 
<br/><br/><label>ISBN: </label>9789814896719 
<br/><br/><label>Dewey Class. No.: </label>C 519.502 G776 2020