Studies on the biology and control of cabbage aphid
Sharam, S.B.
Studies on the biology and control of cabbage aphid - JNU, N. Delhi UBSPD, Patna 1985 - 39
632.7 / S33S
Studies on the biology and control of cabbage aphid - JNU, N. Delhi UBSPD, Patna 1985 - 39
632.7 / S33S