这一部分的花费事项PRO研究系列“采购服务市场前景报告和目录”继续我们的分析六个采购万博体育下载app服务市场组，我们已经概述:Source-to-Pay Implementation Providers Regional Consultancies Managed Service Providers (MSPs) Strategy Consultancies Global Consultancies (including the “Big 5”) BPO Providers Part 1 summarized the study findings and listed…