One d.Light Leads to Others
发布时间 2010-05-19 02:34:57 来源
摘要
After borrowing a d.Light, Risal Singh had to have one for his own. He purchased three of the solar-charged devices and another three for his extended family. Recorded in Bhojaka, India
From Stanford Business magazine: http://www.gsb.stanford.edu/news/bmag/sbsm1005/feature-dlight.html
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