AKHADIYAH, L.; ISBANAH, Y. Analisis Komparatif Abnormal Return dan Trading Volume Activity Emiten Sektor Mining Berdasarkan Pengumuman Kasus Pasien Covid-19 Pertama di Indonesia. Jurnal Ilmu Manajemen, [S. l.], v. 9, n. 3, p. 979–989, 2021. DOI: 10.26740/jim.v9n3.p979-989. Disponível em: https://journal.unesa.ac.id/index.php/jim/article/view/13814. Acesso em: 5 may. 2024.