& ET AL., Al-Maidi. STUDY OF A COMBINED DEVICE TO REDUCE THE TOXICITY OF EXHAUST GASES OF DIESEL ENGINES, AGRICULTURAL TECHNOLOGY. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, [S. l.], v. 50, n. 5, 2019. DOI: 10.36103/ijas.v50i5.791. Disponível em: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/791.. Acesso em: 4 may. 2024.