A Spatial trend analysis of groundwater quality of Patna district, Bihar, India. Nonlinear Studies, [S. l.], v. 32, n. 1, p. 367–390, 2025. Disponível em: https://www.nonlinearstudies.com/index.php/nonlinear/article/view/3330. Acesso em: 1 mar. 2026.