by Simangunsong, B.C.H., Sitanggang, V.J., Manurung, E.G.T., Rahmadi, A., Moore, G.A., Aye, L., Tambunan, A.H.
Published in Forest policy and economics (01.08.2017)

by Manurung, E.G.T, Buongiorno, J. (Department of Forestry, University of Wisconsin at Madison, 1630 Linden Drive, Madison, Wisconsin 53706 (USA))
Published in Journal of World Forest Resource Management (United Kingdom) (1997)

by Manurung, E.G.T., Institut Pertanian Bogor (Indonesia). Fakultas Kehutanan
Published in Jurnal Teknologi Hasil Hutan (Indonesia) (1997)

by Buongiorno, J, Manurung, E.G.T. (Department of Forestry, University of Wisconsin, 1630 Linden Drive, Madison, Wisconsin 53706 (USA))
Published in Journal of World Forest Resource Management (United Kingdom) (1992)