3BRIAN M C, IAN A M. A comparison of two input,output approaches for investigating regional economic impacts of the forest products industry in the Pacific Northwest and the South [J]. Forezt Products Journal of Madison, 2001, 51 (6) : 398.
4WHITEMAN A, LEBEDYS A. The contribution of the forestry sector to Mrican economics [ J ]. International Forestry Re- view, 2006, 8 (1): 31-43.
5BABIK S K, MISHRA S K. Assessment of the contribution of forests to the economy of the northeastern states of India [ J]. International Forestry Rev/ew, 2008, 10 (2): 349-361.
6PATRIQUIN M N, PARKINS J R, STEDMAN R C. Bringing home the bacon: industry, employment, and income in bo- real Canada [J]. The Forest Chronicle, 2009, 85 (1): 65-74.
