ROUF, M.; HASIB, H.; NASIRUDDIN, M. Studies on Smoke Opacity of Different Type of Diesel Vehicles in Dhaka City. Bangladesh Journal of Scientific and Industrial Research, [S. l.], v. 43, n. 4, p. 559–570, 2009. DOI: 10.3329/bjsir.v43i4.2247. Disponível em: https://www.banglajol.info/index.php/BJSIR/article/view/2247. Acesso em: 18 may. 2024.