Chervel, Marc <br/><br/>
Manual of economic evaluation of projects  : the effects method 
/ Marc Chervel, Michel Le Gall 
. - Paris  : Ministère de la Coopération, c1976
. - 204 p.  ; 30 cm. 
 - The methodology of planing .
<br/><br/><label>Source: </label> Don 
<br/><br/><label>Universal Decimal Class. No.: </label>338.984.