AU - Alhmoud, Kafa Mohammad OP - pp. 459-472 T1 - OER Challenges [Article] UL - http://search.shamaa.org/PDF/Articles//FC/SPNt/NtNo14Y2022/nt_2022-n14_459-472_eng.pdf Full text (PDF) 1 http://search.shamaa.org/fulltext.gif