By Cheng Roger   in Journal of Moral Education

ISSN:1465-3877|33|4|533-551

Routledge Ltd‎(2004)‎

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By Elwi Alaa E   Cheng Roger J.J   Kamel Ayman S   in Canadian Journal of Civil Engineering

ISSN:1208-6029|33|11|1438-1449

NRC Research Press‎(2006)‎

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By Yu Haitao   Al-Hussein Mohamed   Nasseri Reza   Cheng Roger J.   in Canadian Journal of Civil Engineering

ISSN:1208-6029|35|2|190-199

NRC Research Press‎(2008)‎

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