LEIBUS, Inguna. FINANCING ISSUES OF ENVIROMENT PROTECTION PROJECTS. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 1, p. 65–75, 2001. DOI: 10.17770/etr2001vol1.1938. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/1938.. Acesso em: 4 may. 2024.