عناصر مشابهة

• Preliminary Studies on The Condition Factor of Some Fishes under Different Circumstances
  بواسطة: Dief, Mohamed Usama Moustafa Hassan منشور: (1996)
• Some studies on immunological responses of cat-fish to aeromonosis
  بواسطة: Mohamed, Ahmed Fekry Hussien منشور: (1984)
• Some pharmacological Studies Of Oxytetracycline In Fish
  بواسطة: Soliman, Zienab Ibrahim منشور: (1994)
• Studies On Some Factors Affecting The Health And Survival Of Eel =
  بواسطة: El Doosoky, El Sayed Abdo Abdo منشور: (2001)
• Some studies on heavy metal pollutants in fish
  بواسطة: Al Safy, Mohammed Khalil منشور: (1996)