RAHMAWATI, Atik. ISOLASI DAN KARAKTERISASI ASAM HUMAT DARI TANAH GAMBUT. Phenomenon : Jurnal Pendidikan MIPA, [S. l.], v. 1, n. 2, p. 117–136, 2016. DOI: 10.21580/phen.2011.1.2.440. Disponível em: https://journal.walisongo.ac.id/index.php/Phenomenon/article/view/440. Acesso em: 23 dec. 2024.