SAP APO方面的英文资料 APO – Advanced Planner and Optimizer The following business scenarios illustrate how SAP APO can be used to enhance supply chain processes across the extended enterprise, and equip your company to collaborate with trading partners via the Internet
资料有些旧，不过基本内容和流程还是可以作为参考的
APO的资料比较少，分享的还是挺有用的。