Extended Reading Article:

1. SAP ERP Central Component-->Logistics-->Materials Management(MM)-->Purchasing(MM-Pur)-->Further FunctionsIntegrating Web-Based Catalogs in Purchasing

2. SAP ERP Central Component-->LogisticsMaterials Management(MM)-->Processing RFQs and Quotations-->Converting a Purchase Requisition into an RFQ

3. PR Release Strategy:
www.sap-img.com/workflow/workflow-of-pur...release-strategy.htm