Educational assesment and early intervention for handicapped children in developing countries / 
Kirsten Kristensen ... [et al.]. 
 - París :  New York :  UNESCO ;  UNICEF,  1987. 
 - 68 p. 
 - Child, family, community ;  22 .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>376.2/.3 (-77) =20 KRI No.22.