KRAKOWSKI, R. The Impact of the Addition of Effective Microorganisms on Selected Parameters of Engine Oil . Scientific Journal of Gdynia Maritime University, [S. l.], n. 128, p. 7–20, 2023. DOI: 10.26408/128.01. Disponível em: https://ojs.umg.edu.pl/index.php/sjgmu/article/view/404. Acesso em: 2 jul. 2024.