RAHMAD, R. Optimization of Combustion Chamber Geometry for Reducing NOx Emissions in a Diesel Engine Fueled with B20 Biodiesel Blend. International Journal of Community Service (IJCS), [S. l.], v. 5, n. 1, p. 353–368, 2026. DOI: 10.55299/ijcs.v5i1.1922. Disponível em: https://ejournal.ipinternasional.com/index.php/ijcs/article/view/1922. Acesso em: 27 aug. 2026.