عناصر مشابهة

• STUDIES ON MICROBIAL POLLUTION IN WATER SOURCES
  بواسطة: SALAH ABEL NASER ABO SEDERA منشور: (1990)
• ECOLOGICAL STUDIES ON THE EFFECT OF SEWAGE POLLUTION ON CERTAIN PLANTS
  بواسطة: HANAN EL -SAYED MOHAMED ABDEL -AAL منشور: (2001)
• STUDIES ON MICROBIAL CONTAMINATION OF EGGS
  بواسطة: MOHAMED ABDEL KHALEK ABDEL RABO منشور: (2004)
• PRODUCTION OF MICROBIAL AMYLASE (S) UNDER SOLID INCUBATION CONDITIONS IN THE OPEN AIR
  بواسطة: EL SAFEY MOHAMED EL SAFEY MABROUK منشور: (1994)
• STUDIES ON MICROBIAL SPOILAGE ON SOME FRESH VEGETABLES
  بواسطة: ANWAR HASSAN SALAH منشور: (1997)