ROMANOVA, T., and T. KULAKOVA, “THEORETICAL AND METHODICAL BASES OF SUSTAINABLE ECOLOGICAL AND ECONOMIC DEVELOPMENT”, Статьи, Среднерусский вестник общественных наук, 32/2 (2014), 244-8, https://sredneruss-vestnik.owebs.ru/article/view/29116, accessed 8 Nov. 2026.