Sutre, Karolīna, and Ērika Teirumnieka. “DIGESTATE RECYCLING TECHNICALLY ECONIMOC JUSTIFICATION”. HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference, no. 20 (April 20, 2016): 338–341. Accessed November 30, 2024. https://journals.rta.lv/index.php/HET/article/view/3506.