عناصر مشابهة

• Studies On The Main Parasttic Diseases Affecting Cultured Fish And Its Influences By Some Ecological Factors
  بواسطة: Abd Alrahim, Gamal Al Nobi Ahmed منشور: (1998)
• Investigation of the structure of photosystem I isolated from the chloroolast of higher plants and microalgae : Purification characterisation and electron microscopy
  بواسطة: Al Amri, Wafa Mohammed منشور: (1998)
• PRAWN G OWTH IN MONOCULTURE AND POLYCULTURE WITH C RP, TILAPIA, AND CARP AND TILAPIA
  بواسطة: Bukhari, Feisal Abd Alaziz منشور: (1988)
• DISTRIBUTION OF FISH EGGS AND LARVAE IN SOUTHEASTERN LAKE MICHIGAN NEAR THE DONALD C.COOK NUCLEAR POWER PLANT,1976
  بواسطة: Al Jerian, Abd Allah Abd Alrahman منشور: (1976)
• STUDIES ON THE BIOLOGY AND REPRODUCTION OF SIGANUD CANALICULATUS
  بواسطة: Nassar, Amal Farid Abd Alkalek منشور: (1993)