عناصر مشابهة

• FIELD AND EXPERIMENTAL STUDIES ON ZOOPLANKTON AND MACROBENTHOS IN EL KANATER FISH FARM
  بواسطة: HEBA EL SEBAIE ABDEL SADEK EL SEBAIE منشور: (2008)
• ECOLOGICAL AND BIOLOGICAL STUDIES ON ZOOPLANKTON IN LAKE QARUN ,EGYPT
  بواسطة: ABDEL KADER MOHAMED HASSAN منشور: (2002)
• EFFICIENCY AND SELECTIVITY OF FISHING GEARS AND METHODS IN LAKE EDKU AND THEIR EFFECTS ON THE STOCK OF FISH POPULATIONS
  بواسطة: TAHA BASHEIR HASSAN SOLIMAN منشور: (2005)
• STUDY OF THE EFFECT OF AN ANTIOXIDANT AGENT IN IMPROVING FERTILITY IN SUB FERTILE MALES
  بواسطة: EMAN ANWAR HASSAN MOHAMED منشور: (2009)
• ECOLOGICAL AND BIOLOGICAL STUDIES ON SOME FISHES IN LAKE QAROUN EGYPT
  بواسطة: HASSAN MASHHOUT MOHAMMED KHALAF ALLAH منشور: (2001)