Singh, N.P. <br/><br/>
Scientific crop production :  with reference to North Eastern Hill Region. / 
N. P. Singh and R. A. Singh. 
 - Ludhiana :  Kaylani,  2002. 
 - 348 pages :illustrations (some coloured) 
<br/><br/> Bibliography. 
<br/><br/><label>ISBN: </label>812720631X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop production.<br/>Crops--India.<br/>Farm produce--India.