Mayo Judith A. <br/><br/>
Teacher observation in El Salvador 
Judith A. Mayo 
 - Washington  AED  1971 
 - 31p. 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education and teachers
<br/><br/><label>Dewey Class. No.: </label>370.78  / MAT