Textbook of applied entomology
SRIVASTAVA, K.P
Textbook of applied entomology - 2nd rev. ed - Ludhiana 1996
INSECT PESTS -- CONTROL
INSECT CONTROL INSECT PESTS -- CONTROL
632.9 S66T
Textbook of applied entomology - 2nd rev. ed - Ludhiana 1996
INSECT PESTS -- CONTROL
INSECT CONTROL INSECT PESTS -- CONTROL
632.9 S66T