RONALD N GIRSANG. Covid 19 : Analisis Perbedaan Harga Saham Pada Perusahan Telekomunikasi. Jurnal Ilmiah Dan Karya Mahasiswa, [S. l.], v. 1, n. 1, p. 40–48, 2023. DOI: 10.54066/jikma.v1i1.958. Disponível em: https://jurnal.itbsemarang.ac.id/index.php/JIKMA/article/view/958. Acesso em: 22 dec. 2024.