6Lei Shen, Philip Andrews Speed. Economic analysis of reform policies for small coal mines in China [J] . Resources Policy, 2001 (27). 被引量:1
7R. J. Cebula, J. Carmichael, H. Meads. State-im- posed solutions to negative externalities= employment impact of pollution abatement policy [J] . Journal of Economics and Finance, 2008 (4). 被引量:1