Hallak, J. <br/><br/>
The analysis of educational costs and expenditure 
/ J. Hallak 
. - Paris  : UNESCO, International Institute for Educational Planning, 1969
. - 69 p.  ; 21 cm. 
 - Fundamentals of Educational Planning  10 .
<br/><br/><label>Source: </label> Dons divers 
<br/><br/><label>Universal Decimal Class. No.: </label>370.014.5