tefne tefne

United Kingdom

Joined: 23/04/2012

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tefne tefne's PowerPoint Presentations

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tefne commented on Susann's presentation "radioactivity 1 "

91 months ago

Comment (23)

tefne : it's so heplfull and succesfull may i download it ?

91 months ago

hmdcamran : Very good for explanation of Radioactivity. .Kindly mail the PPT on hmdcamran@gmail.com.

72 months ago

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