ผู้เขียน: Rodney Cawston

Michael E. Marchand, Kristiina A. Vogt, University of Washington, Seattle, WA; Asep S. Suntana, Forest Systems and Bioenergy and LEI (Lembaga Ekolabel Indonesia), Bogor, Indonesia; Rodney Cawston, University of Washington, Seattle, WA; John C. Gordon, Portland, OR; Mia Siscawati, Sajogyo Institute, Bogor, Indonesia; Daniel J. Vogt, University of Washington, Seattle, WA; John D. Tovey, University of Washington, Seattle, WA; Ragnhildur Sigurdardottir, Agricultural University, Iceland; Patricia A. Roads, Miamisburg, OH, USA.