共 42 条
[2]
Ali D. A., 2003, THESIS KATHOLIEKE U
[3]
Allen RobertC., 2009, The British Industrial Revolution in Global Perspective
[4]
[Anonymous], 2001, Econometric Analysis of Cross Section and Panel Data
[8]
Bruce J. W., 1988, Land and society in contemporary Africa., P23
[10]
ANALYSIS OF COVARIANCE WITH QUALITATIVE DATA
[J].
REVIEW OF ECONOMIC STUDIES,
1980, 47 (01)
:225-238