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Ahmed mahmoud

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6 Presentations
Rejoint 12/31/2019

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Egyptian soils

245 vues

Thermal analysis of the African continent

Thermal analysis of the African continent

98 vues

New in the process of hatching

New in the process of hatching

95 vues

Microbial enzymes

Microbial enzymes

185 vues

Water erosion

243 vues

Food items that affect poultry (growth - egg -digestion)

Food items that affect poultry (growth - egg -digestion)

200 vues