Halpern, Robert <br/><br/>
Early childhood programmes in Latin America :  a review of experiences and guidelines for action / 
by Robert Halpern. 
 - París :  New York :  UNESCO ;  UNICEF,  1983. 
 - 16 p. 
 - Notes, comments... ;  122 .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>372.3 (7/8) =20 HAL No.122.