Abraham, Herbert John,  1904- <br/><br/>
World problems in the classroom  a teacher's guide to some United Nations tasks 
Herbert J. Abraham 
 - Paris  Unesco  1973 
 - 223p. ill. 21cm. 
<br/><br/><label>ISBN: </label>9232010488 
<br/><br/><label>LCCN: </label>73-76702 
<br/><br/><label>Subjects--Corporate Names: </label><br/>United Nations--Study and teaching