AU - Abdel-Radi, Nahed OP - pp. 15-30 T1 - Between femtoseconds and attoseconds, where are the natural sciences curricula located? [Article] UL - http://search.shamaa.org/PDF/Articles/EGJrciet/JrcietVol9No1Y2023/jrciet_2023-v9-n1_015-030_eng.pdf Full text (PDF) 1 http://search.shamaa.org/fulltext.gif