WANTOPUTRI, N. I.; NUGROHO, A. R.; MUNAWAROH, S. Analysis of Nitrogen Concentration (Nitrate, Nitrite, Ammonia) in Groundwater in Ngaglik SubDistrict, Sleman Regency, Yogyakarta Province. Open Soil Science and Environment, [S. l.], v. 2, n. 1, p. 1–8, 2024. Disponível em: https://soilenvironment.com/index.php/OSSE/article/view/15. Acesso em: 1 may. 2026.