Thonstad, Tore <br/><br/>
Analysing and projecting school enrolment in developing countries: A manual ofmethodology / by Tore Thonstad. 

 - Paris : UNESCO, 1981. 
 - 112 p. ; 30 cm. il., retrs. 
 - Statistical reports and studies ; 24 .
<br/><br/><label>ISBN: </label>9231017195 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>OC 31: 371.212. 1(-77) =20THO No.24.