SARWAR, H.; SYED, D. N. ul H.; KHAN, D. N. A. Investigation of environmental and economic effects of utilizing used transformer oil as an alternative fuel in cement kiln. Journal of the Pakistan Institute of Chemical Engineers, [S. l.], v. 51, n. 2, 2024. DOI: 10.54693/piche.05127. Disponível em: https://www.piche.org.pk/journal/index.php/jpiche/article/view/586. Acesso em: 31 oct. 2025.