Sdudies on the biology and control of mustard aphid
Bishnu, Hira lal
Sdudies on the biology and control of mustard aphid - Bhagalpur BAC, Sabour 1972 - 51
Entomology& Zoology
595.7 B 5413 S
Sdudies on the biology and control of mustard aphid - Bhagalpur BAC, Sabour 1972 - 51
Entomology& Zoology
595.7 B 5413 S