Certification 's impacts on forests, stakeholders and supply chains. Instruments for sustainable private sector forestry series Author Bass S., Thornber K., Markopoulos M., Roberts S., Grieg-Gran M. Date 2001 Source IUCN (ID: MON-072127) Publisher | Place of publication International Institute for Environment and Development | London, UK Pages 153 p. Document type Miscellaneous Language English Field of application International Subject Forestry Keyword Forest management/forest conservation Social forestry/community forestry