DR. SANJAY KUMAR SINGH AND HEMANT KUMAR VERMA. Geographical analysis of the problem of water runoff and dirty water disposal of Gorakhpur city. International journal of economic perspectives, [S. l.], v. 16, n. 5, p. 171–177, 2022. Disponível em: https://ijeponline.com/index.php/journal/article/view/381. Acesso em: 24 nov. 2024.