SOKOLENKO, Alina. Comparative analysis of the factors of price competitiveness of niche eco-products on marketplaces in the United States and the European Union. Актуальні питання економічних наук, [S. l.], n. 21, 2026. DOI: 10.5281/zenodo.19592973. Disponível em: https://www.a-economics.com.ua/index.php/home/article/view/1357. Acesso em: 12 сер. 2026.