Lopatynskyi Y, Burynskyi V. METHODOLOGICAL FRAMEWORK FOR STUDYING SUSTAINABLE DEVELOPMENT IN ECONOMIC SYSTEMS. Актуальні проблеми сталого розвитку [Internet]. 2026 May 15 [cited 2026 Jun. 26];3(5):136-41. Available from: https://journals.csr.com.ua/index.php/sustainability/article/view/528