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