Schaffer, William A. <br/><br/>
On the use of input-output models for regional planning 
/ William A. Schaffer ; with the assistance of E.A. Laurent, C. F. Floyd...[et al.] 
. - Leiden  : Nijhoff, 1976
. - XII-170 p.  : couv.ill.en coul.  ; 23 cm. 
 - Studies in applied regional science  Vol.1 .
<br/><br/>Bibliogr. 
<br/><br/><label>ISBN: </label>9020706268 
<br/><br/><label>Source: </label>74627  Achat 
<br/><br/><label>Universal Decimal Class. No.: </label>339.32