Plant breeding/  Princples and Methods 
Singh,B. D. 
 - 1st.ed. 
 - Ludhiana:  Kalyani Publishers,  2001. 
 - 918 
<br/><br/><label>ISBN: </label>9327219848 
<br/><br/><label>Dewey Class. No.: </label>631.52  / SIN/P