Educational Research and Statistics  Textual Documents 
Ritu Sharma by edited 
 - Ist ed. 
 - New Delhi  Alfa Publishers & Distributors  2010 
 - 304pg:  23cm. 
<br/><br/><label>Subjects--Index Terms: </label>Educational Research and Statistics Deptt- Education G- Education 
<br/><br/><label>Dewey Class. No.: </label>370.78