FITRIANI, Santi; NURAYA, Ahmad Setiawan. PENGARUH PERUBAHAN KASUS POSITIF COVID-19 DAN NILAI TUKAR TERHADAP INDEKS HARGA SAHAM DI INDONESIA. Ultima Management : Jurnal Ilmu Manajemen, [S. l.], v. 14, n. 2, p. 283–297, 2022. DOI: 10.31937/manajemen.v14i2.2904. Disponível em: https://ejournals.umn.ac.id/index.php/manajemen/article/view/2904. Acesso em: 1 aug. 2025.