Sokolenko A. Comparative analysis of the factors of price competitiveness of niche eco-products on marketplaces in the United States and the European Union. APEN [інтернет]. 30, Березень 2026 [цит. за 12, Серпень 2026];(21). доступний у: https://www.a-economics.com.ua/index.php/home/article/view/1357