YANG Hong-wei, TIAN Tian, LI Tao, LI Xiao-wen, , JIA Li- ming. Characteristics of Forest Recreation Activities in Beijing Mountain Areas[J]. Journal of Beijing Forestry University (Social Science), 2008, 7(4): 27-32.
Citation:
|
YANG Hong-wei, TIAN Tian, LI Tao, LI Xiao-wen, , JIA Li- ming. Characteristics of Forest Recreation Activities in Beijing Mountain Areas[J]. Journal of Beijing Forestry University (Social Science), 2008, 7(4): 27-32.
|
YANG Hong-wei, TIAN Tian, LI Tao, LI Xiao-wen, , JIA Li- ming. Characteristics of Forest Recreation Activities in Beijing Mountain Areas[J]. Journal of Beijing Forestry University (Social Science), 2008, 7(4): 27-32.
Citation:
|
YANG Hong-wei, TIAN Tian, LI Tao, LI Xiao-wen, , JIA Li- ming. Characteristics of Forest Recreation Activities in Beijing Mountain Areas[J]. Journal of Beijing Forestry University (Social Science), 2008, 7(4): 27-32.
|