INTEGRATION OF BENCHMARKING INTO THE SUSTAINABLE DEVELOPMENT MANAGEMENT OF MULTI-LEVEL ECONOMIC SYSTEMS: CONCEPTUAL MODEL AND PRACTICAL ASPECTS. Regional aspects of productive forces development of Ukraine, [S. l.], v. 1, n. 30, p. 20–29, 2026. DOI: 10.35774/rarrpsu2025.30.020. Disponível em: http://rarrpsu.wunu.edu.ua/index.php/rapfdu/article/view/566. Acesso em: 19 jan. 2026.