Open AccessGrey Correlation Analysis of the Development of Tourism Industry———Taking Heilongjiang Province as an Example
Author(s) -
春梅 杨
Publication year - 2013
Publication title -
shang ye quan qiu hau
Language(s) - English
Resource type - Journals
eISSN - 2331-0219
pISSN - 2331-0189
DOI - 10.12677/bglo.2013.12005
Subject(s) - tourism , geography , correlation , regional science , economic geography , business , mathematics , archaeology , geometry