عناصر مشابهة

• Bioactirity of cerfain plant extracts of fam myrtaceae and other biocides on some pests attaching cotton cultivation\\ 
  بواسطة: Aly, Mohsen Mohamed Mohamed  منشور: (1999)
• Comparative studies on the accumulation of nutrient elements and heavy metals through the cultivation of some vegetable under nutrient film technique system and soil culture\\ 
  بواسطة: Ayoub, Fahima Helal منشور: (1999)
• Environemental considerations for microbial contamination in some food factories\\ 
  بواسطة: Hassanin, Eman Hassanin Awad منشور: (1999)
• Effect of some formulated plant extracts on snails control of schistosomcisis and study their biological effects\\ 
  بواسطة: El Behary, Mohsen Hamid Hassan  منشور: (2005)
• Relation between school environment and musculo skeletal disorders\\ 
  بواسطة: Abdel Moneim, Jihan Mohamed منشور: (2006)