عناصر مشابهة

• GAS-LIQUID CHROMATOGRAPHIC IDENTIFICATION OF SOME HYDROCARBONS IN SOAB ALI CRUDE OIL
  بواسطة: Yassin, Fathy Ahmed Abd Allatif منشور: (1982)
• ECOLOGICAL STUDIES ON THE ADJUSTMENT OF THE PLANTS TO THEIR ENVIRONMENTS
  بواسطة: Abd Alfattah, Ragab Ibrahim منشور: (1990)
• ECOLOGICAL AND PHYTOSOCIOLOGICAL STUDIES ON PLANT COMMUNITIES IN ’SALHIYA’ AREA
  بواسطة: Abd Alfattah, Ragab Ibrahim منشور: (1986)
• Biochemical Studies On Carbohydrate AssimllAtion In Oreochromis Niloticus And Clarias lazera =
  بواسطة: Metually, Mahmoud Abd Alfatah Abd Alrahman منشور: (1992)
• Biological And Ecological Studies Some Snails In Sharkia Governorate =
  بواسطة: Nada, Mohamed Saied Mahdy منشور: (1983)