Mouly, George J. <br/><br/>
Science of educational research  The Art and Science of Investigation 

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 - New Delhi  Eurasia Publisshing House  1964 
 - 515 p. 
 -   .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>370.78  / M927