Zhang, X. (2023) “Self-Nitrogen-Doped Biochar Derived from Soybean cake for Rhodamine B Removal Prepared via Simple Carbonization”, BioResources, 18(4), pp. 7460–7473. Available at: https://ojs.bioresources.com/index.php/BRJ/article/view/22806 (Accessed: 5 November 2025).