MANURUNG, T. B. .; HORMAN, J. R. ANALYSIS OF RETURN ON ASSET AND RETURN ON EQUITY VALUES OF COAL COMPANIES IN THE INDONESIA STOCK EXCHANGE: ANALISIS NILAI RETURN ON ASSET RETURN ON EQUITY PERUSAHAAN BATUBARA DI BURSA EFEK INDONESIA. INTAN Jurnal Penelitian Tambang, [S. l.], v. 4, n. 2, p. 104–109, 2022. DOI: 10.56139/intan.v4i2.91. Disponível em: https://mail.jurnal-intan.ac.id/index.php/intan/article/view/91. Acesso em: 18 apr. 2026.