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Nailufar Y, Safruddin S, Zain MI. Analysis of Teacher Difficulties in Online Learning on Mathematics Subjects. J. Prisma. Sains [Internet]. 2021 Dec. 30 [cited 2025 Aug. 15];9(2):280-8. Available from: https://e-journal3.undikma.ac.id/index.php/prismasains/article/view/4376