Cohen Louis; Manion Lawrence; orrison Keith <br/><br/>
Research methods in education 

 - 7 
 - New York         Routledge        2011 
 - xxii, 758p. ill. 
<br/><br/> Bibliography 711-752p.; Index 753-758p.; Reprint 2015. 
<br/><br/><label>ISBN: </label>9780415583367 (pbk) SL01598919 
<br/><br/><label>Standard No.: </label>193757 
<br/><br/><label>Source: </label> 2165, 07/10/2015, New India Book Agency  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Action research<br/> Social research<br/> Validity and reliability<br/>Educational research
<br/><br/><label>Dewey Class. No.: </label>B:(T):f, Q1-;2