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Herlinawati, Herlinawati, Junifa Layla Sihombing, Agus Kembaren, Lisnawaty Simatupang, and Rika Adhani. 2023. “Analysis of Fe Metal Adsorption in Industrial Wastewater Using Adsorbents from Betel Nut Skin”. Jurnal Pendidikan Kimia 15 (1):35-40. https://doi.org/10.24114/jpkim.v15i1.42478.