Elements of economic entomology. Ed 4 - B. Vasantharaj David; T. Kumaraswami (Madras Popular Book Dept, 1988)
B. Vasantharaj David & T. Kumaraswami: Elements of economic entomology. Ed 4. (4th Ed) Madras. Popular Book Dept,, 1988. Rs. 80.00--(595.706DAV)
ENGLISH