Tinbergen J. <br/><br/>
Essays in regional and world planning 

 - New Delhi, India  National Council of Applied Economic Research   1966 
 - vii,90 
<br/><br/><br/>Occasional Paper 18 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics