SATISH CHANDRA SHANKARAM; SHOBHA KUMARI. STUDY OF AIR QUALITY AND DIFFICULTY IN CONCENTRATION IN INSTITUTIONAL AREAS OF GOPALGANJ, BIHAR. JournalNX - A Multidisciplinary Peer Reviewed Journal, [S. l.], v. 7, n. 12, p. 367–370, 2021. DOI: 10.17605/OSF.IO/5ZA4H. Disponível em: https://repo.journalnx.com/index.php/nx/article/view/4047. Acesso em: 30 nov. 2024.