how to get the invoice number of marked transaction in the settlement of payment journal

Hi guys,

There is a existing question here..

but the question is not yet answered.

here's my query:

--1st Query

select a.JOURNALNAME, a.JOURNALNUM, b.VOUCHER, b.TXT, b.BANKCHEQUENUM, b.AMOUNTCURDEBIT, c.INVOICE
  from LEDGERJOURNALTABLE a
inner join LEDGERJOURNALTRANS b on a.JOURNALNUM = b.JOURNALNUM
left join VENDTRANS c on b.VOUCHER = c.VOUCHER --b.VENDTRANSID = c.RECID
left join VENDTRANSOPEN d on c.ACCOUNTNUM = d.ACCOUNTNUM and c.RECID = d.REFRECID
where a.JOURNALNUM = '006004'



--2nd Query
select a.JOURNALNAME, a.JOURNALNUM, b.VOUCHER, b.TXT, b.BANKCHEQUENUM, b.AMOUNTCURDEBIT, c.INVOICE, b.INVOICE
  from LEDGERJOURNALTABLE a
inner join LEDGERJOURNALTRANS b on a.JOURNALNUM = b.JOURNALNUM
left join VENDTRANS c on b.VENDTRANSID = c.RECID 
left join SPECTRANS e on c.RECID = e.SPECRECID
left join VENDSETTLEMENT f on  c.RECID = f.TRANSRECID and c.RECID = f.OFFSETRECID
where a.JOURNALNUM = '006004'

my problem is , i can't get the invoice number ..

because i want get the invoice number of marked transaction in the settlement of payment journal