http://reply.papertrans.cn/3/293/29236/29236-31.png
http://reply.papertrans.cn/3/293/29236/29236-32.png
http://reply.papertrans.cn/3/293/29236/29236-33.png
Submitted on: 28 May 2017.
Revised on: 25 June 2017.
Accepted on: 30 June 2017.
TECHNOLOGY IN SOCIETY---ELSEVIER SCI LTD
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Submitted on: 16 January 2002.
Revised on: 19 February 2002.
Accepted on: 12 March 2002.
TECHNOLOGY IN SOCIETY---ELSEVIER SCI LTD