Elements of economic entomology
DAVID, Vasantharaj B
Elements of economic entomology - Madras 1982 - 536p
INSECTS, INJURIOUS AND BENEFICIAL
INSECT CONTROL INSECTS, INJURIOUS AND BENEFICIAL
632.7 D19E
Elements of economic entomology - Madras 1982 - 536p
INSECTS, INJURIOUS AND BENEFICIAL
INSECT CONTROL INSECTS, INJURIOUS AND BENEFICIAL
632.7 D19E