National council of applied economic research. <br/><br/>
Techno - economic survey of Delhi 

 - New Delhi  National council of applied economic research  1973 
 - xi, 299p.; 22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Economic survey - technological aspects - U P ( India)<br/>Livestock<br/>Population