Ngā hua rapu - Gregersen, H. M.

Economic analysis of forestry projects : case studies. mā Gregersen, H. M.

Forestry for local community development : mā Gregersen, H. M.

Guidelines for economic appraisal of watershed managementprojects / mā Gregersen, H. M.

Planning and managing forestry research : guidelines for managers / mā Gregersen, H. M

Valuing forests : context, issues and guidelines /

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