?????? ??????? ??????? ?????, ????? ??? ?????????? ?????? ??? ??????? ????????? ???? ???? ????, ??? ?? ???????? ????? ??? ??? ??????? ??? ???????? ????? ?????? ?????? ?? ??????? ????? ???? ???????? ???? ??????? ????, ????? ? ??????? ???????? ???? ?? ??????? ???? ???? ???? ??? contemporary data and travel: a combined voyage ????? ???????
লেটার অফ ক্রেডিট
????? ?? ??????? ????? ?? ??????? (Letter of Credit ?? LC) ??? ???? ?????? ???? ?? ????????? ??????? ??????? ?????? ????? ?????? ??????? ??? ????? ????? ????? ?????? ?????? ???? ???? ??? ??????? ??????????? ???????? ??????? ??? ?????? ???????? ??? ?????? ??????? ???? ??????? ??? ??? ?????? ???????? ????? ??????? ????? ?? ??????? ???? ???? ?????? ??