Lockheed, Marlaine E. <br/><br/>
School effects on achievement in secondary mathematics and portuguese in Brazil 
by Marlaine E. Lockheed and Barbara Bruns 
 - Washington, D.C.  IBRD  1990 
 - 26p. 
 - Working Papers WPS 525 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Academic achievement --Brazil<br/>Portuguese language --Study and teaching (Secondary) --Brazil<br/>Mathematics --Study and teaching (Secondary) --Brazil