David Roper
8 SlideShares
Personal Information
Organization / Workplace
San Diego, CA United States
Industry
Electronics / Computer Hardware
Website
http://americas140.ning.com/
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Struggle and survival pt4

13 years ago • 141 Views

Struggle and survival pt3

13 years ago • 159 Views

Struggle and survival pt2

13 years ago • 81 Views

Struggle and survival pt1

13 years ago • 92 Views

Peoples and empires4

13 years ago • 122 Views

Peoples and empires3

13 years ago • 130 Views

Peoples and empires2

13 years ago • 76 Views

Peoples and empires

13 years ago • 111 Views