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Devi Heryanti, Susila Kristianingrum. Effectiveness of Peanut Shell Activated Charcoal as Adsorbent of Chromium and Lead Metal Ions Using Continuous System. Indo. J. Chem. Env. [Internet]. 2025 Nov. 2 [cited 2025 Nov. 6];8(1):31-42. Available from: https://journal.uny.ac.id/index.php/ijoce/article/view/88518