NOVIKS, Gotfrīds. UPCYCLING OF TECHNOGENIC MINERAL WASTE – CHALLENGES AND SOLUTIONS. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 183–190, 2021. DOI: 10.17770/etr2021vol1.6586. Disponível em: https://journals23.rta.lv/index.php/ETR/article/view/6586.. Acesso em: 4 dec. 2024.