Author · 1917
Boysie Eugene Day
Pest management and the effective use and safe handling of pesticides for South Vietnam
Boysie Eugene Day
Pest management and the effective use and safe handling of pesticides for South Vietnam
The effect of drying on survival of nutgrass tubers
Boysie Eugene Day
The effect of drying on survival of nutgrass tubers
Chemical control of filamentous green algae
L. S. Jordan
Chemical control of filamentous green algae
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