000 00268nam a2200109Ia 4500
005 20251007104254.0
008 251006s9999 xx 000 0 und d
100 _acairo.jami'at ayn shams.kulliyat al'ulum
245 0 _ascience bulletin
260 _a1st ed
942 _cBOK
999 _c3789
_d3789