[Social] – 인류를 위한 착한기술, 적정기술
[Appropriate technology, technology for humanity] translated by Yeonju Woo (DC Year 11) written by kychan Kang 2006 In the 21st
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강기찬
[Appropriate technology, technology for humanity] translated by Yeonju Woo (DC Year 11) written by kychan Kang 2006 In the 21st
Read More