Economic evaluation of forest policy programs.

XVIII IUFRO World Congress, Ljubljana 1986.

Policy evaluations for U.S. federal timber sale accounting system development.

XVIII IUFRO World Congress, Ljubljana 1986.

Effects of permanent and non-permanent forest policy means on timber supply.

XVIII IUFRO World Congress, Ljubljana 1986.

On the principles of Japanese forest policy since 1950.

XVIII IUFRO World Congress, Ljubljana 1986.

The role of policy in forest resource development.

XVIII IUFRO World Congress, Ljubljana 1986.