共 74 条
[1]
Ackerman RW, 1975, SOCIAL CHALLENGES BU
[4]
[Anonymous], PUBLIC OPINION Q
[5]
[Anonymous], 2004, PROQUEST
[6]
Baker H.K., 1999, Quarterly Journal of Business and Economics, V38, P46
[9]
Baum ChristopherF., 2006, INTRO MODERN ECONOME