عناصر مشابهة

• BIOLOGICAL STUDIES ON CERTAIN PATHOGENIC MICROORGANISMS
  بواسطة: YASER ABD EL -RAHMAN EL -MARAKBY منشور: (2005)
• BIOLOGICAL STUDY ON HEPATITIS C VIRUS IN VITRO
  بواسطة: SAHAR MOHAMED RAMZY EL SAYED RADWAN منشور: (2002)
• SYSTEMATICAL STUDIES ON THE ALGAE ISOLATED FROM SOME CULTIVATED AREAS & LABORATORY STUDIES ON THE EFFECT OF LIGHT , TEMPERATURE AND HUMIDTY ON THREE SELECTED SOIL ALGAE
  بواسطة: AHMED DARWISH EL GAMAL منشور: (1995)
• STUDIES ON SOME ENZYMATIC ACTIVITIES FOR BACTERIA ISOLATED FROM HOT WATER SPRING AND DESERT SOIL IN EGYPT
  بواسطة: SALEM SALAH EL - DEEN AHMED SALEM منشور: (2014)
• STUDIES ON THE BIOLOGICAL CONTROL OF CERTAIN PATHOGENIC AND NON PATHOGENIC MICROORGANISMS
  بواسطة: ABDEL HAMID 0M0 EL SHAMY منشور: (1998)