“Ekstraksi Adsorben Ramah Lingkungan Dari Matriks Biologi: Asam Humat Tinja Kuda (AH-TK): Asam Humat Tinja Kuda (AH-TK)”. Chempublish Journal, vol. 2, no. 1, Aug. 2017, pp. 13-25, https://mail.online-journal.unja.ac.id/chp/article/view/3820.