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 Adsorption of Congo Red onto Humic Acid Isolated from Peat Soil Gambut Regency, South Kalimantan.
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ISSN 2503-0310.
Available at: &lt;<a href="https://jos.unsoed.ac.id/index.php/jm/article/view/8685" target="_new">https://jos.unsoed.ac.id/index.php/jm/article/view/8685</a>&gt;. Date accessed: 01 nov. 2025.
doi: <a href="https://doi.org/10.20884/1.jm.2023.18.2.8685">https://doi.org/10.20884/1.jm.2023.18.2.8685</a>.