https://help.sap.com/docs/SAP_PRODUCTION_AND_REVENUE_ACCOUNTING/ea12588125d84fb7b2bcb1b470df8fec?locale=en-US&state=PRODUCTION&version=2.02017-11-16https://help.sap.com/docs/SAP_PRODUCTION_AND_REVENUE_ACCOUNTING/75bc5bb1955345c59bb53d3cc4db9ec2?locale=en-US&state=PRODUCTION&version=2.02017-11-28https://help.sap.com/doc/c3542f9df2424288bed9f041dd58c705/2.0/en-US/SAP_PRA_200_Application_Help.pdf2017-11-28