https://help.sap.com/doc/d8f4242b5f564ed8ae5879d816346690/1.0/tr-TR/APPHELP_ELECTRONIC_LEDGER_1.0_FINAL_TR.pdf2017-02-02https://help.sap.com/doc/de3ecbcef6f4466d9a52ae250c605830/1.0/tr-TR/CG_ELECTRONIC_LEDGER_1.0_FINAL_TR.pdf2017-02-02