试论经济级及其划分——以山西省为例
高玄或
ON ECONOMIC GRADE AND ITS CLASSIFING METHOD——Taking Shanxi Province as an Example
Gao Xuanyu
人文地理 . 1997, (1): 57 -61 .  DOI: 10.13959/j.issn.1003-2398.1997.01.012