Yasser Osman

Egypt

Yasser Osman

Joined: 20/10/2009

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Yasser Osman's PowerPoint Presentations

 (5 Public)
peace Medicinal and A..

 

Views:626Slides:27

Category: Science & Technology

Uploaded: 14 months ago

peace Ecotourism

 

Views:5287Slides:30

Category: Education

Uploaded: 31 months ago

peace Role of Biodive..

 

Views:186Slides:30

Category: Education

Uploaded: 31 months ago

peace Desertification..

 

Views:880Slides:25

Category: Education

Uploaded: 31 months ago

peace One world...One..

 

Views:55Slides:36

Category: Education

Uploaded: 31 months ago