teachers write their own online textbook, save...

raif

raif barbaros
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cto at local dirt.
husband, dad (x3).
soccer nut.
serial entrepreneur.
comp sci major.
math minor.
mba.
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raif at raif dot com
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Designed by
Jon Rothenberg
for Tumblr.

teachers write their own online textbook, save district $175,000 http://t.co/5u9aghX0 #fb #in

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