Rai, Jai Prakash Narain <br/><br/>
Studies on population regulation of two annual weeds, galinsoga ciliata (raf) blake and g. Parviflora Cav. 

 - NEHU 
 - Shillong  NEHU, Dept of Botany  1982 
 - 208p., 28cm. 
<br/><br/><label>Dewey Class. No.: </label>DS  / 632.58 RAI