د. محمود عبد العظيم عبد العال

?????? ??? ??????? ?????? ????????? ?? ???? ????? ???? ???? ?? ?????? ?? (240 - 416??/ 855 - 1025?). ????? ????? ??? ??????? ??? ????? ?????? ?????? ?? ??? ?????? ?????? ???????? ??? ????? ?????? ???? ??? ??? ????? ???? ??? ??????? ?? ??? ?????? ??????? ????? ????? ??? ????? ????? ??? ??????? ??? ????? ??????? ????? ???? ??????? ???????? ???? ???. ???? ???? ?? ????? ??? ??????? ???? ???? ????? ??? ???? ???? ?? ????? ???????? ?? ???? ????? ??? ???? ??? ?????? ????????? (240 - 416??/ 855 - 1025?) ???? ?? ??? ?????? ?????? ?? ????? ????????? ????? ??? ????? ??????? ????? ??? ?????? ????????? ?????? ????? ????? ?? ???? ????? ??????.