عناصر مشابهة

• Preliminary Studies on The Condition Factor of Some Fishes under Different Circumstances
  بواسطة: Dief, Mohamed Usama Moustafa Hassan منشور: (1996)
• Studies on the main Causes of Fish mortalities in different Fish Farms and aquaria
  بواسطة: Fouda, Moustafa Mohammed Said Moustafa منشور: (2000)
• Effects of petroleum hydrocarbons on some fish and food organisms
  بواسطة: Al Mohanna, Mohammed Mohanna M منشور: (1988)
• Studies On The Linkage Of Fungi With Some Fish Diseases In Fish Farms =
  بواسطة: Ahmed, Nadia Abd Alghany منشور: (1998)
• PATHOLOGIC STUDIES ON SOME MYCOTIC DISEASES IN FRESH WATTER FISH
  بواسطة: Mohamed, Rania Ibrahim منشور: (2003)