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Devani Anas Tasya, Usep Syaipudin. Analisis Komparatif Kinerja Saham: Abnormal Return dan Trading Volume Activity Sebelum dan Sesudah Pengumuman Kebijakan Tarif Impor Donald Trump. JIESA [Internet]. 2026 Jan. 21 [cited 2026 Jan. 26];3(1):166-84. Available from: https://ejournal.areai.or.id/index.php/JIESA/article/view/2045