“Impact of Current Ratio (CR), ROA, and ROE on Coal Subsector Stock Returns, IDX 2020–2023” (2026) EKOSISTEM: Journal of Economics, Business, and Contemporary Tourism, 1(1), pp. 13–26. Available at: https://journal.bacaanmedia.id/index.php/ekosistem/article/view/4 (Accessed: 1 August 2026).