SURKAMP, Maja. Profitable recycling of residues (ENSPAR Biogas GmbH). Eco-Energetics: technologies, environment, law and economy, [S. l.], v. 2, 2019. DOI: 10.24426/eco-energetics.v2i0.122. Disponível em: https://ojs.gsw.gda.pl/index.php/Eco-Energetics/article/view/122. Acesso em: 16 kwi. 2024.