Mannaga I. KINERJA KEUANGAN PADA PT. SERMANI STEEL MAKASSAR BERDASARKAN RETURN ON INVESTMENT DAN TOTAL ASSET TURNOVER. AkMen [Internet]. 2012 Mar. 31 [cited 2025 Aug. 2];9(1). Available from: https://e-jurnal.nobel.ac.id/index.php/akmen/article/view/425