migo-101 document

HI,

      I want to show 101 document (not obtained for 543), with subcontracting po  (pstyp = 3) .....so i am fetching value from

SELECT A~MBLNR  " Number of Material Document

           A~MJAHR  " Material Document Year

           A~ZEILE_I  " Item in Material Document

           A~BLART  " Document Type

           A~BLDAT  " Document Date in Document

           A~BUDAT  " Posting Date in the Document

           A~CPUDT  " Day On Which Accounting Document Was Entered

           A~TCODE  " Not More Closely Defined Area, Possibly Used for Patchlevels

           A~BWART_I  " Movement Type (Inventory Management)

           A~WERKS_I  " Plant

           A~BKTXT    " DOC HEADER TXT

           A~XAUTO_I  " CREATED ON

           A~ERFMG_I  " QTY

           A~MEINS_I  " UNIT OF MEASURE

           A~USNAM    "CREATED BY

           A~MATNR_I

           A~EBELN_I

           A~EBELP_I

           B~EBELN  "PO NUMBER

           B~EBELP  "LINE ITEM

           B~PSTYP  "ITEM CATEGORY

  FROM WB2_V_MKPF_MSEG2 AS A INNER JOIN EKPOAS B ON

                           A~EBELN_I = B~EBELN AND

                           A~EBELP_I = B~EBELP AND

                           A~MATNR_I = B~MATNR

*

                           INTO CORRESPONDING FIELDS OF TABLE IT_MKPF

         WHERE BUDAT IN SO_BUDAT AND

               BWART_I IN ('101', '543') AND

               PSTYP EQ '3'.

but here am getting mblnr having both (101) and (-543) document.

i want 101 document with pstyp = 3.

Any one suggest???????