عناصر مشابهة

• Pollution Of An Ecosystem With Pesticides
  بواسطة: Sherif, Refat Mostafa Mohamed منشور: (1983)
• STUDIES ON PESTICIDE POLLUTION IN POULTRY FARMS
  بواسطة: Ahmed, Wail Mohamed Salah Aldien منشور: (1977)
• Pesticides Pollution In Cows Farms
  بواسطة: Abd Almeguid, Yousry Moustafa منشور: (1996)
• Acaricidal Action of Some New Pesticides with Special Reference to Insect Growth Regulators
  بواسطة: Mostafa, Abo Shabana Mostafa Abd Alrahman منشور: (1980)
• Residues of Pesticides on And in Medicinal Plants
  بواسطة: Abd Alrahman, Mohamed Mohamed Tawfick منشور: (1981)