OCTAVIANTO, Said Nur; PUJIATI, Amin; PRAJANTI, Sucihatiningsih Dian Wisika. The Effect of Market Structure on Sales of Coal Companies Listed on the Indonesia Stock Exchange (IDX) for the Period 2018 - 2022. Ekuilibrium : Jurnal Ilmiah Bidang Ilmu Ekonomi, [S. l.], v. 19, n. 2, p. 223–244, 2024. DOI: 10.24269/ekuilibrium.v19i2.2024.pp223-244. Disponível em: https://journal.umpo.ac.id/index.php/ekuilibrium/article/view/8707. Acesso em: 7 nov. 2025.