Query to Link Between AP and GL with XLA tables in R12

SELECT GCC.CODE_COMBINATION_ID,
            GJH.JE_HEADER_ID,
            XDL.AE_HEADER_ID,
            XDL.AE_LINE_NUM,
            XTE.SOURCE_ID_INT_1,
            XTE.APPLICATION_ID,
            XTE.ENTITY_ID,
            GJH.JE_SOURCE,
            GJH.JE_CATEGORY,
            AIA.GL_DATE,
            AP.VENDOR_NAME,
            AP.SEGMENT1 SUPPLIER_NO,
            XDL.EVENT_CLASS_CODE EVENT_CLASS,
            AIA.INVOICE_ID,
           AIDA.INVOICE_DISTRIBUTION_ID,
           AIA.INVOICE_NUM TRANSACTION_NUMBER,
           AIA.INVOICE_DATE,
           INITCAP (GJL.DESCRIPTION) DESCRIPTION,
           GJL.ACCOUNTED_DR DEBIT,
           GJL.ACCOUNTED_CR CREDIT
           --NVL (Jl.Accounted_Dr, 0) –  NVL(Jl.Accounted_Cr, 0) Net_Amount
  FROM GL_JE_HEADERS  GJH,
           GL_JE_LINES GJL,
           GL_CODE_COMBINATIONS GCC,
           GL_IMPORT_REFERENCES GIR,
           XLA.XLA_AE_LINES XAL,
           XLA.XLA_AE_HEADERS XAH,
           XLA.XLA_DISTRIBUTION_LINKS XDL,
           AP_INVOICES_ALL AIA,
           AP_INVOICE_DISTRIBUTIONS_ALL AIDA,
           AP_SUPPLIERS AP,
           XLA_EVENTS XE,
           XLA_TRANSACTION_ENTITIES XTE
WHERE 1=1
    AND GJL.JE_HEADER_ID = GJH.JE_HEADER_ID
    AND GJL.CODE_COMBINATION_ID = GCC.CODE_COMBINATION_ID
    AND GIR.JE_HEADER_ID = GJL.JE_HEADER_ID
    AND GIR.JE_LINE_NUM = GJL.JE_LINE_NUM
    AND XAL.GL_SL_LINK_ID = GIR.GL_SL_LINK_ID
    AND XAL.AE_HEADER_ID = XAH.AE_HEADER_ID
    AND XAL.APPLICATION_ID = XAH.APPLICATION_ID
    AND XAH.APPLICATION_ID = XE.APPLICATION_ID
    AND XAH.EVENT_ID = XE.EVENT_ID
    AND XE.APPLICATION_ID = XTE.APPLICATION_ID(+)
    AND XE.ENTITY_ID = XTE.ENTITY_ID(+)
    AND XDL.AE_HEADER_ID = XAL.AE_HEADER_ID
    AND XDL.AE_LINE_NUM = XAL.AE_LINE_NUM
    AND XDL.APPLIED_TO_SOURCE_ID_NUM_1 = AIA.INVOICE_ID
    AND XDL.SOURCE_DISTRIBUTION_ID_NUM_1 = AIDA.INVOICE_DISTRIBUTION_ID
    AND AIDA.INVOICE_ID = AIA.INVOICE_ID
    AND AIA.VENDOR_ID = AP.VENDOR_ID
    AND AIDA.LINE_TYPE_LOOKUP_CODE = 'ITEM'
    AND AIDA.ACCOUNTING_DATE BETWEEN :STARTDATE AND :ENDDATE
    --AND GCC.CODE_COMBINATION_ID = 6429
ORDER BY AIA.GL_DATE DESC