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To vote on present textbooks from the record, beside Each individual e book You will find a link vote for this e book clicking it will incorporate that book to the votes. ???? ??? ?????? ?????? ??????? ?? ??? ??????? ???????? ????? ?? ???? ????? ?? ???? ????? ??????? ?????? ???????? ??????? ?????? ??? ????? ????? ????? ??????? ?????? ????? ??????