Punjab Agriculture handbook 1993. 

 - 26th ed. 
 - Ludhiana  Punjab Agricultural University.  1992 
 - v.p. : ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture Punjab
<br/><br/><label>Dewey Class. No.: </label>PB 630.202 Pun