Singh, Rachhpal <br/><br/>
Farm production in rainfed sub - mountainous Punjab 

 - Delhi  B R publishing corporation  1987 
 - v,349p.; 22cm. 
<br/><br/><label>ISBN: </label>8170184509 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural productivity<br/>Agriculture - India Punjab<br/>Farm productivity<br/>Technology