Elementary Economic Entomology/
David,B VasanthaRay Kumaraswami ,T
Elementary Economic Entomology/ by B.Vasantharay David and T.Kumaraswami - 3rd ed. - Madras, Popular Book, 1982. - xv,536p.
595.7 / DAV/E
Elementary Economic Entomology/ by B.Vasantharay David and T.Kumaraswami - 3rd ed. - Madras, Popular Book, 1982. - xv,536p.
595.7 / DAV/E