عناصر مشابهة

• histological and Cytological studies of the gastrointestinal tract of some nile fish species special reference to ages varition
  بواسطة: Ismail, Sohair Youssef Mohamed منشور: (1994)
• Immunotoxicological Studies On The Effect Of Aflatoxin In Oreochromis Niloticus
  بواسطة: Abou Almagd, Mamdouh Mohammed منشور: (1996)
• nile water pollution in relation to fish health and production
  بواسطة: Al Safy, Mohammed Khalil منشور: (2000)
• Studies on Protozoan Parasites Infecting some Nile Fishes
  بواسطة: زايد، ايمان احمد محمد منشور: (2007)
• Determination of Heavy Metal Concentrations in Water and Fish Organs (Clarias Gariepinus) from White Nile River, Gezira Aba - Sudan
  بواسطة: Elhussien, Mutasim H. منشور: (2018)