Directive No. 29/2008/CT-TTg dated October 02, 2010 of the Prime Minister on the continuous enhancement of state management for survey, exploitation, transportstation and consumption activities of gravel and sand in the river bed
Directive No. 29/2008/CT-TTg dated October 02, 2010 of the Prime Minister on the continuous enhancement of state management for survey, exploitation, transportstation and consumption activities of gravel and sand in the river bed
