GUPTA O P <br/><br/>
MODERN WEED MANAGEMENT 

 - IV TH ED. 2011 . . . Ed. 
 - Jodhapur  Agrobias (India)  2016 
 - 615p. 
 - BHARATI GRAHAK BHANDAR, PUNE, B-2687, DT- 17/01/2013, BILL NO. 4750, DT-27/04/2019 .