International Cooperation
The Federal Republic of Germany
Federal Institute for Research on Building, Urban Affairs and Spatial Development (BBSR)
Republic of Indonesia
The Institute of Road Engineering (IRE)
      
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Democratic Socialist Republic of Sri Lanka
The National Building Research Organization (NBRO)
The United States of America
Federal Highway Adminitration (FHWA)
      
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Socialist Republic of Viet Nam
Directorate for Roads of Viet Nam (DRVN)
      
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Institute of Transport Science and Technology (ITST)
      
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