Loewald, Richard <br/><br/>
School feeding as a service to children :  guidelines for planning school feeding programmes / 
Richard Loewald. 
 - París :  New York :  UNESCO ;  UNICEF ,  1980. 
 - 11 (8) p. 
 - Notes, Comments... ;  23. .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>613.22 (07) (-77)=20 LOE No.23.