عناصر مشابهة

• Studies on Microbial Lipases
  بواسطة: El Makhzangy, Attia Mohamed Attia منشور: (1989)
• Studies On Microorganisms Fixing Atmospheric Nitrogen
  بواسطة: Anber, Hamdy Ahmed منشور: (1991)
• MicroBiological Studies On Nitrogen Mineralization In different Soils
  بواسطة: Abd Alfattah, Hassan Ibrahim منشور: (1990)
• Studies on some local isolates of pseudomonas aeruginosa
  بواسطة: Abou Alhag, Olfat Abd Allah Taha Attia منشور: (1988)
• Studies On The Symbiotic Nitrogen Fixation By Root-Nodule Bacteria Of Lentil Plants (Lens Esculenta)
  بواسطة: Iskandar, Mohamed Hussien Mohamed منشور: (1990)