Haddad, Wadi D. <br/><br/>
Educational effects of class size 
by Wadi D. Haddad 
 - Washington, D.C.  IBRD  1978 
 - 17p. Paper 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>P In8