UNESCO Hand book for the teaching of social studies 
/edited by Howard D.Mehlinger 
 - atParis  UNESCO  1981 
 - 409 p. 
<br/><br/> Includes appendix and index 
<br/><br/><label>ISBN: </label>9231018906 
<br/><br/><label>Dewey Class. No.: </label>371.3302  / UNE