Koļčs, Aigars, and Gotfrīds Noviks. “HOUSEHOLD WASTE ANALYSIS IN REZEKNE CITY”. HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference, no. 20 (April 20, 2016): 289–293. Accessed May 10, 2024. https://journals.ru.lv/index.php/HET/article/view/3522.