M. NIRMALA; M. MALLIKA. Trend Analysis of Air Quality Index in Chennai, India . Novel Perspectives of Geography, Environment and Earth Sciences Vol. 6, [S. l.], p. 41–49, 2023. DOI: 10.9734/bpi/npgees/v6/18578D. Disponível em: https://stm.bookpi.org/NPGEES-V6/article/view/10100. Acesso em: 4 jun. 2026.