@article{GUO Xiu-ling_122, author = {GUO Xiu-ling, SHANGGUAN Tie-liang}, title = {Grade Classification of Tourism Affected Zone and Analysis of Relevant Indicators}, publisher = {JOURNAL OF NATURAL RESOURCES}, year = {2012}, journal = {JOURNAL OF NATURAL RESOURCES}, volume = {27}, number = {1}, eid = {122}, pages = {122-131}, keywords = {

tourism geography;tourism impact indicators;principal component analysis;tourism impact level zone;TWINSPAN classification

}, doi = https://www.jnr.ac.cn/EN/10.11849/zrzyxb.2012.01.013 }