عناصر مشابهة

• Chemical and Physical Studies on Siwa Soils 
  بواسطة: El-Sabry, Wahby Saad Ali  منشور: (1979)
• Classification and evaluation of siwa oasis soils = 
  بواسطة: Abd EL-Samie, Mohamed Kamel Abd EL-Aty.  منشور: (2000)
• Study of land resources at Siwa Oasis using remote sensing and GIS techniques
  بواسطة: Mohammed Ahmed Thabit منشور: (2014)
• Some trials for control of sheep scab in Siwa Oasis
  بواسطة: Mohamed Ali Mohamed Gebely منشور: (2013)
• STUDIES ON SOME AGRICULTURAL DRAINAGE PROBLEMS IN SIWA OASIS
  بواسطة: RAFIE MOHAMED RAFIE EL SAYED منشور: (2008)