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Indrastika ER, Hidayati NR, Trisnawati A. Characterization of Activated Carbon from Mangosteen Peel (Garcinia Mangostana L.) Activated with Phosphoric Acid (H3PO4). HJKK [Internet]. 2025 Feb. 28 [cited 2025 Aug. 16];13(1):58-64. Available from: https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/14557