“SALES PROBLEM OR CONSUMER RELATIONSHIP: DETERMINANTS OF FUNCTIONAL FOOD MARKET PROMOTION” (2026) Collection of research papers «ECONOMIC STRATEGY AND PROSPECTS OF TRADE AND SERVICES SECTOR DEVELOPMENT», (1 (37), pp. 120–134. Available at: https://economic.strategy.journal.btu.kharkiv.ua/esptssd/article/view/146 (Accessed: 20 May 2026).