Zulaihan A, Fauziyah SR. Financial Ratio Analysis and Du Pont System to Evaluate the Financial Performance of PTBA And ITMG. Poltanesa [Internet]. 2023 Jun. 25 [cited 2024 Sep. 8];24(1):16-21. Available from: https://e-journal.politanisamarinda.ac.id/index.php/tanesa/article/view/2565