Hybrid vegetable development. 
P.K. Singh. PhD, S.K. Dasgupta. PhD, S.K. Tripathi. PhD. 
 - India.  International Book Distributing Co.  2006. 
 - 441 P 
<br/><br/><label>ISBN: </label>81-8189-104-X 
<br/><br/><label>Dewey Class. No.: </label>635