عناصر مشابهة

• comparative studies on the histological structure and development of the excretory system of fresh water teleosts " ctenopharyngodon indetta " and gambust affinis " , and lizard " chalcides ocellatus
  بواسطة: Ahmed, Gamal Ali Mohamed Ali Said منشور: (1990)
• Comparative studies integumentary sensory structures and electrical organs of som freshwater and marine fishes
  بواسطة: Awad, Gamal Said Ali منشور: (1993)
• A Biochemical Study On Fresh Water Fish Subjected To Different Environmental Pollutants
  بواسطة: El Disouky, Mohamed Wafeek Ali منشور: (1998)
• PHARMACOLOGICAL STUDIES ON THE ANTHELMINTIC DRUG LEVAMISOLE IN FRESH WATER FISH
  بواسطة: Gharieb, Maisa Mohamed منشور: (1994)
• Studies on the Toxico-Biological Behaviour of Extracellular Toxic Substances of Toxogenic Fungi For Fresh water Fish
  بواسطة: Ahmed, Nadia Abd Alghany منشور: (2003)