عناصر مشابهة

• Study On Seasonal Variation Of Some Toxic Elements In Residents Atmosphere Under Different Environmental Conditions \\ 
  بواسطة: Mohamed Kamal Mohamed El Shazly منشور: (2003)
• Study On The Dynamics Of Puccinia Triticina Races The Case Of Leaf Rust On Wheat Under Dominant Environmental Conditions In Egypt \\ 
  بواسطة: Mohamed, Somaya Tohamy Mahmoud منشور: (2004)
• Environmental Impact Of Tested Spraying Techniques For Controlling Some Scale Insects On Olive Trees \\ 
  بواسطة: Helmy, Mahmoud Muhammad Yassein منشور: (2007)
• Studies On The Relationship Between The Micro - Flora And Pollutant And Its Effect On The Nile Water Used In Electric Power Plants In Cairo \\ 
  بواسطة: Mahmoud, Wafaa Moustafa Yousif منشور: (2006)
• Study Of Environmental Effects Of Fungicides Used For Controlling Diseases Of Cucurbit Crops Under Protected Agriculture \\ 
  بواسطة: Eisa, Nour Jehan Mohamed Mahmoud .  منشور: (1992)