NOVIKS, Gotfrīds; LEMEŠENOKA, Natālija; AUGULE, Sintija. THE SITUATION ON SOLVING ENVIRONMENTAL PROBLEMS IN THE LATGALE ENTERPRISES. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 199–214, 2015. DOI: 10.17770/etr2009vol1.1110. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/1110.. Acesso em: 3 may. 2024.