※一部利用できない機能があります
- Comparative government (1)
- Democracy (1)
- Environmental policy--Addresses, essays, lectures (1)
- Environmental policy--International cooperation--Addresses, essays, lectures (1)
- Environmental protection--Addresses, essays, lectures (1)
- Operations research (1)
- Policy sciences--Addresses, essays, lectures (1)
- Political planning (1)
- Social sciences--Mathematical models (1)
- 政治--外交.国際問題 (1)