Experimental Investigation on Performance Characteristics of Single Cylinder Diesel Engine using Emulsion of Cow Urine and Diesel. International Journal of Advance Engineering and Research Development (IJAERD), [S. l.], v. 2, n. 6, p. 601–605, 2015. Disponível em: https://www.ijaerd.org/index.php/IJAERD/article/view/910. Acesso em: 10 sep. 2025.