TRENDS IN TRADE AND INVESTMENT FLOWS IN STARA ZAGORA REGION. TRAKIA JOURNAL OF SCIENCES, [S. l.], v. 23, n. 4, p. 6, 2025. DOI: 10.15547/tjs.2025.4.002. Disponível em: https://tjs.trakia-uni.bg/index.php/tjs/article/view/238.. Acesso em: 21 jan. 2026.