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b vasantharaj david
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Elements of economic entomology
B. Vasantharaj David · Popular Book Depot
507 sayfa · 1975
Beneficial insects / Control / Insect pests
Non-chemical insect pest management
S. Ignacimuthu, B. Vasantharaj David · Exclusively distributed by SBS Publishers & Distributors
266 sayfa · 2010
Insect pests / Congresses / Biological control / Cultural control / Insect pests, biological control