Liu, Bangnee Alfred <br/><br/>
Estimating future school enrolment in developing countries :  a manual of methodology / 
by Bangnee Alfred Liu. 
 - París :  New York :  UNESCO,  United Nations,  1966. 
 - 156 p. :  fot. 
 - Statistical reports and studies ;  10 .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>OC 31:37 (-77) =20 LIU No.10.