Economic importance of insects /

Eitemau Tebyg

• Agricultural insect pests of the tropics and their control
  gan: Hill, Dennis S
  Cyhoeddwyd: (1975)
• Insects and hygiene: The biology and control of insect pests of medical and domestic importance
  gan: Busvine, James R
  Cyhoeddwyd: (1966)
• A textbook of applied entomology.vol-II(insects of economic importance)
  gan: (late) K P Srivastava G S Dhaliwal
  Cyhoeddwyd: (1993)
• Insect chemosterilants
  gan: Borkovec, Alexej B
  Cyhoeddwyd: (1966)
• Agricultural insect pests of the tropics and their control
  gan: Hill, Dennis S
  Cyhoeddwyd: (1983)