Leedy, Paul D., <br/><br/>
Practical research :  planning and design / 
Spine title :  Practical research leedy ormrod. 
Paul D.Leedy, Jeanne Ellis Omrod. 
 - Tenth edition, Pearson new international edition. 
 - i, 374 pages :  illustrations ;  28 cm. 
<br/><br/>References : page 358-362. 
<br/><br/>
<br/><br/><label>ISBN: </label>1292021179 9781292021171 (paperback.)  RM305.43 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--Methodology.