SHIPRA GUPTA; VIJAY KUMAR; HARENDRA SINGH NEGI. An Economic And Environment Study Of Recycling Of Waste Papers Found From Hotels Of Dehradun City. Elementary Education Online, [S. l.], v. 20, n. 4, p. 3837–3851, 2023. Disponível em: https://ilkogretim-online.org./index.php/pub/article/view/3405. Acesso em: 8 jul. 2024.