Kumar, K. Nirmal Ravi <br/><br/>
Objective agricultural economics for JRF, SRF, ARS, NET, SLET, Civil Service and 
K. Nirmal Ravi Kumar 
 - New Delhi  Daya Publishing House  2012 
 - xi, 872p. 
<br/><br/><label>ISBN: </label>9788170357902  440.00