-Law No. 16/2003/QH11 on 26/11/2003.-Bidding Law No. 61/2005/QH11 on 29/11/2005.-Decree No. 12/2009/ND-CP on 10/02/2009; Decree No. 83/2009/ND-CP on 15/10/2009 on the management of government investment project construction.-Decree No. 112/2009/ND-CP on December 14, 2009 by the Government on the management of the cost of construction works.
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