Agosa, K S M N <br/><br/>
Effect of noise level in the school. . / 
by Agosa K S M N 
 -  Dept of Edu Unty of Kerala,  1998. 
 - 237p. : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>370  / AGO. E