SULISTYARTI, H. Pembuatan tes kit kertas nitrogen-amonia berdasarkan pembentukan senyawa indofenol biru. CHEMISTRY PROGRESS, [S. l.], v. 7, n. 1, 2019. DOI: 10.35799/cp.7.1.2014.4850. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/chemprog/article/view/4850. Acesso em: 22 dec. 2024.