YULIANI, S. S.; USENG, D.; ACHMAD, M. Analisis Kandungan Nitrogen Tanah Sawah Menggunakan Spektrometer. Jurnal Agritechno, [S. l.], v. 10, n. 2, p. 188–202, 2017. DOI: 10.20956/at.v10i2.71. Disponível em: https://agritech.unhas.ac.id/ojs/index.php/at/article/view/71. Acesso em: 5 may. 2024.