Satoding GA, Ardiansah A, Albar J MA, Sumbung J. A Study on The Effectiveness of Bentonite Adsorbent in Reducing Pb Metal Levels in Used Lubricating Oil. satera [Internet]. 2024 Feb. 29 [cited 2026 Aug. 13];2(1):20-6. Available from: https://journal.akom-bantaeng.ac.id/index.php/jstt/article/view/36