Narwal S.S. <br/><br/>
Research methods in plant sciences : Allelopathy Vol.2 plant protection 

 - 1st 
 -  Scientific Publishers, Jodhpur  2004 
<br/><br/><label>ISBN: </label>81-89304-55-0 
<br/><br/><label>Dewey Class. No.: </label>581.1NAR