Experimental Study of the Effect of Exhaust Gas Recirculation (EGR) and Injection Timing on Emitted Emissions at Idle Period. Al-Khwarizmi Engineering Journal, [S. l.], v. 10, n. 4, p. 33–44, 2017. Disponível em: https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/204.. Acesso em: 4 may. 2024.