Resources & Industries ›› 2009, Vol. 11 ›› Issue (4): 107-111.
• RESOURCES ECONOMICS • Previous Articles Next Articles
WANG Dian-ru, ZHAO Shu-qin, LI Xian-shi
(Institute of Economics, Shijiazhuang College of Economics, Shijiazhuang 050031, China)
(石家庄经济学院 经济研究所,河北 石家庄 050031)