DAVID B V, ANANTHAKRISHNAN T N, . (2010). GENERAL AND APPLIED ENTOMOLOGY. New Delhi: Tata Megraw -Hill Publishing Company.
DAVID B V, ANANTHAKRISHNAN T N, . 2010. GENERAL AND APPLIED ENTOMOLOGY. New Delhi: Tata Megraw -Hill Publishing Company.
DAVID B V, ANANTHAKRISHNAN T N, . GENERAL AND APPLIED ENTOMOLOGY. New Delhi: Tata Megraw -Hill Publishing Company. 2010.
