عناصر مشابهة

• STUDIES ON THE HELMINTH PARASITES OF SOME SMALL MAMMALS IN THE EASTERN DELTA,(A.R.EGYPT
  بواسطة: El Shahawy, Abd Elhaleem Ahmad El Sayed Hassan منشور: (1985)
• Studies On Certain Predaceous Soil Mite Species In Sharkia And Giza Governorates
  بواسطة: Gomaa, Wafaa Osman منشور: (1992)
• PHYSIOLOGICAL AND BIOCHEMICAL STUDIES ON SOME PIGMENTED STREPTOMYCETES ISOLATED FROM EGYPTIAN SOIL
  بواسطة: El Shirbiny, El Sayed Aly Abd Elaal منشور: (1982)
• The Balance of Fertilizer Elements in The Soils of El-Sharkia Governorate
  بواسطة: Ibrahim, Mohamed Eisa Abd Alrahman منشور: (1990)
• ECOLOGICAL STUDIES ON THE ADJUSTMENT OF THE PLANTS TO THEIR ENVIRONMENTS
  بواسطة: Abd Alfattah, Ragab Ibrahim منشور: (1990)