ERNŠTEINS, Raimonds; ŠULGA, Diāna; ŠTELMAHERE, Daiga; GRUNDŠTEINA, Sarmīte. MUNICIPAL ENVIRONMENTAL MANAGEMENT AND SUSTAINABLE DEVELOPMENT: INTEGRATION AND SYSTEMIZATION PRACTICE FOR FURTHER EDUCATION. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 285–294, 2007. DOI: 10.17770/etr2007vol1.1718. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/1718.. Acesso em: 4 dec. 2024.