SYARPIN, S.; HARIANTO, B. Pengolahan Air Sungai Kahayan Kalimantan Tengah Menggunakan Biji Hanjeli (Coix lacryma–jobi L) Sebagai Koagulan Alami. RAFFLESIA JOURNAL OF NATURAL AND APPLIED SCIENCES, [S. l.], v. 1, n. 1, p. 20–28, 2021. DOI: 10.33369/rjna.v1i1.15590. Disponível em: https://ejournal.unib.ac.id/rjna/article/view/15590. Acesso em: 3 may. 2024.