“CONCEPTUAL PRINCIPLES OF THE PROCESS OF EVALUATING THE EFFICIENCY OF INTEGRATION PROCESSES” (2026) Collection of research papers «ECONOMIC STRATEGY AND PROSPECTS OF TRADE AND SERVICES SECTOR DEVELOPMENT», (1 (35), pp. 120–129. Available at: https://economic.strategy.journal.btu.kharkiv.ua/esptssd/article/view/34 (Accessed: 20 May 2026).