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5 ข้อควรรู้ เกี่ยวกับ การรับรอง
??? ????? ?????? ???? ????????? ?? ????? ???????????????? . ?????? ????????????? ??? ??????, ??? {??????????? 5 ??????? ??????? {??? ????????????? ???? ????????????????????????????. ???????? ?????????????????? ????????? ????????? ????? ?????? ?????? {???????? ?????????????? ?????? ?????????? ??????????????? ?????? ??? ?? ?????? ????????????