Jacoby, E.G <br/><br/>
Methods of school enrolment projection / 
E.G. Jacoby. 
 - Paris :  UNESCO,  1959. 
 - 43 p. ;  il. 
 - Educational studies and documents ;  32. .
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37:31 (931) =20 JAC No.32.