Balassa, Bela <br/><br/>
Development strategies in semi-industrial countries / 
Bela Balassa 
 - [s.1]:  IBRD/IDA,  1969 
 - 31 p. ;  28 cm. 
 - Economics department working paper;  no.34 .
<br/><br/> PTSL : 1969 (no. 34)