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عناصر مشابهة

• EFFECT OF DISSOLVED NUTRIENTS ON THE DISTRIBUTION OF ALGAL FLORA IN SELECTED LAKES OF U.R.A
  بواسطة: Nosseir, M. A. منشور: (1970)
• DISTRIBUTION AND PERIODICITY OF ALGAL FLORA IN EL-KHASHAB CANAL DURING WINTER AND SPRING MONTHS
  بواسطة: Nosseir, M. A. منشور: (1970)
• THE EMERGENCE & DEVELOPMENT OF PUBLIC ENTERPRISE IN THE U.A.R
  بواسطة: Rachid, A. R. H. منشور: (1970)
• FLUCTUATIONS AND PERIODICTIY OF THE ALGAL FLORA FOUND IN EL-KHASHAB CANAL THROUGHOUT THE YEAR 1968/1969
  بواسطة: Nosseir, M. A. منشور: (1973)
• ON THE ESTIMATION OF THE PRODUCTIVITY OF THE ROOF TYPE SOLAR STILLS AT DIFFERENT LOCALITIES IN THE U.A.R
  بواسطة: El Nesr, M. K. منشور: (1964)