日本土地環境学会
, JAPAN ASSOCIATION FOR THE STUDY OF LOCAL GOVERNMENT
, THE JAPAN ASSOCIATION FOR REAL ESTATE SCIENCES
, JAPAN PUBLIC LAW ASSOCIATION
, 日米法学会
, JAPAN SOCIETY OF COMPARATIVE LAW
, JAPAN ASSOCIATION ON THE ENVIRONMENTAL STUDIES
, JAPAN ASSOCIATION FOR ENVIRONMENTAL LAW AND POLICY
, 関西アメリカ公法学会