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http://www.researchgate.net/profile/Bilash_ch_Das/publication/262377443_Population_dynamics_of_major_insect_pests_and_their_natural_enemies_on_cabbage_under_new_alluvial_zone_of_West_Bengal/links/0deec53783a9dd8879000000
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http://www.aappbckv.org/journal/archive/07%20AAPP%20V5%20N1%20FP06.pdf
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