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Chitra F, Wiwika S, Hajimi H. Coagulation Using Aloe Vera Gel and Coconut Shell Charcoal Filtration To Reduce Iron in Parit Banjar River Water. RJ [Internet]. 2026 Jun. 24 [cited 2026 Jun. 25];20(1):44-56. Available from: https://ejurnal.poltekkes-tjk.ac.id/index.php/JKESLING/article/view/5672