?????????????? ??????? ?????????????????? ??????????????????????? ???????????????? ?????????????????????????? ??????????????????????????????????????????????? ?????????????????????? ??????????????????????????????????????? ???????????????????? ??????????? ???????????????????????????????? ?????? ?????????????????????? ????????????????????????? ???????
บริษัทซับคอนแทรค มีความสำคัญต่อองค์กรต่างๆ อย่างไร
?????????????????????????????????????????????? ????????????????????????? ???????????????????????????????????????????????????????????????????????????????????? ?????????????????????????????????????????????????????????? (Subcontract) ????????????????????????????????????????????????????????????? ?????????????????????????????????????????????????????????