ASEAN Working Group
The Fourth Meeting of the ASEAN Working Group on Transboundary Pollution (1994)
The Fifth ASEAN Working Group on Environmental Management Meeting (1997)
ASEAN Working Group
The Third ASEAN Working Group on Environmental Management Meeting (1995)
ASEAN Meeting on the Management of Transboundary Pollution (1995)
The Eighth ASEAN Working Group on Environmental Economics Meeting (1998)
The Seventh ASEAN Working Group on Environmental Economics Meeting (1997)
The Fifth ASEAN Working Group on Environmental Economics Meeting (1994)