Yuliyati, Yati B, and Christi Liamita Natanael. “Isolasi Karakterisasi T Asam Humat Dan Penentuan Daya Serap Nya Terhadap Ion Logam Pb(II) Cu(II) Dan Fe(II)”. Al-Kimia 4, no. 1 (January 10, 2016): 43-53. Accessed November 21, 2024. https://journal3.uin-alauddin.ac.id/index.php/al-kimia/article/view/1455.