Mathew, K N <br/><br/>
Diagnostic study of public difficulties in learning of percentages in new standard 8 and suggestions for improvement / 
 A diagnostic study of public difficulties in learning of percentages in new standard 8 and suggestions for improvement 
by Mathew, K N 
 -  1963. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Thesis
<br/><br/><label>Dewey Class. No.: </label>370  / MAT.D