عناصر مشابهة

• Ecological/ biological and toxicological studies on rodents species at the newly reclaimed lands \\ 
  بواسطة: Mourad, Abdel Raoof Ahmed Mohamed منشور: (1997)
• Effect of hospitals environment on nosocomial urinary tract infection\\ 
  بواسطة: Ahmed, Azza Salah El Din منشور: (2006)
• Compardtire study of pesticides spraying applications with a special reference to its influence on agricultural environment\\ 
  بواسطة: EL hakim, Mohamed Mohamed Khalil  منشور: (1997)
• Studies on the storage ability of tomatos keeping quality and pesticide residuse\\ 
  بواسطة: El Shafe, Lamiaa Mohamed Wafik منشور: (1995)
• The ecological effect of heavy application of phosphate fertilizers in some egyption soils\\ 
  بواسطة: El Dewiny, Camilia Youssef .  منشور: (1992)