An advanced competitive botany  a texrbook with perfect competitive approach 
S. N. Sharma. 
 - Patna  Student's Friends  [n.d.] 
 - xii, 545p.: ill.; 24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany.
<br/><br/><label>Dewey Class. No.: </label>581.1  / S34A