عناصر مشابهة

• Levels of Trace Elements in Freshwater Snails of Azraq Oasis - Jordan
  بواسطة: Sweileh, Khalid Mustafa منشور: (1990)
• FRESHWATER FISHES OF SAUDI ARABIA
  بواسطة: Al Kahem, Hmoud Fares منشور: (1980)
• Studies on Helminthes of Some Parasites of Freshwater Fishes of Jebel Aulia (Reservoir South of Khartoum )
  بواسطة: Abu Bakar, Eshraga Dafa Alla Mahmoud منشور: (2008)
• Aspects of the structure and function of the optic tectum of the freshwater fish (Perca Fluviatilis
  بواسطة: Al Akell, Ali S. R. منشور: (1982)
• Some Nuteitional Factors Affecting Fresh Water Fish Production
  بواسطة: Shahat, Talaat Mahmoud منشور: (1991)