GUPTA, O P
AQUATIC WEED MANAGEMENT: A TEXTBOOK AND MANUAL - 2 - NEW DELHI, TODAY AND TOMARROWS 1987 - pages 244
AQUATIC WEED-PROBLEMS
HERBICIDAL CONTROL
WEED MANAGEMENT
632.5 GUP/AQ
AQUATIC WEED MANAGEMENT: A TEXTBOOK AND MANUAL - 2 - NEW DELHI, TODAY AND TOMARROWS 1987 - pages 244
AQUATIC WEED-PROBLEMS
HERBICIDAL CONTROL
WEED MANAGEMENT
632.5 GUP/AQ