Gupta D.P. <br/><br/>
Agricultural development in Haryana   Regional and district wise Variations in crop Production and Productivity    
Gupta D.P. 
 - Delhi  Agricultural Economics research centre university of Delhi      1982 
 - ii; 25p.  cm. 
<br/><br/> Research Study no.82/1 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X9(J):77.242, M2