powerpoint presentation

group 1

http://www.mediafire.com/?bdwd7lx97oj68u3

group 2

http://www.mediafire.com/?160j22z6tsiy3lt

group 3

http://www.mediafire.com/?flw12nvon7064uv

group 4

http://www.mediafire.com/?6a58295egr92grt

group 5

http://www.mediafire.com/?d9h097nyl1rnmfx

group 6

http://www.mediafire.com/?09ht25d5tm7hzxr