RAI, D.; KRISHNAIAH, Y. Assessment of the air and water quality in popular tourist hotspots and ecotourism zones in the hilly state of Sikkim. RESEARCH REVIEW International Journal of Multidisciplinary, [S. l.], v. 9, n. 5, p. 93–107, 2024. DOI: 10.31305/rrijm.2024.v09.n05.012. Disponível em: https://old1.rrjournals.com/index.php/rrijm/article/view/1277. Acesso em: 8 aug. 2026.