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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

186 vues

Water erosion

245 vues

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

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

201 vues