Mangal,S.K. <br/><br/>
Statistics in Psychology and Education 

 - 1st /   1990. 
 - New Delhi:  Tata Mc Grow Hill Publishing Ltd,  1990. 
 - 244p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Education, Educational Psychology & Statistics. 
<br/><br/><label>Dewey Class. No.: </label>370.15