请问大伙,有谁能够帮忙提供这三本书的电子版吗  英文中文都行  有的话麻烦提供个下载链接 行吗  非常感谢

Dobbs, I, (2000), Managerial Economics, Firms, Markets and Business Decisions, Oxford University Press

Carlton, DW, and Perloff, J, (2005). Modern Industrial Organisation (4th ed), Addison Wesley

Waldman, DE, and Jensen, EJ, (2001). Industrial Organization: Theory and Practice (2nd ed). Addison Wesley