SUJIMAN, Sujiman. Trends in Ambient Air Quality (NO2 and SO2) in Tenggarong City, Kutai Kartanegara District. East Kalimantan. International Journal of Environmental, Sustainability, and Social Science, [S. l.], v. 4, n. 5, p. 1497–1504, 2023. DOI: 10.38142/ijesss.v4i5.854. Disponível em: https://staging.journalkeberlanjutan.com/index.php/ijesss/article/view/854. Acesso em: 6 jun. 2026.