THE IMPACT OF GREEN CERTIFICATION QUALITY ON THE EXPORT COMPETITIVENESS OF SMALL AND PRIVATE BUSINESSES IN DEVELOPING MARKETS: EMPIRICAL EVIDENCE FROM UZBEKISTAN. PST Journal [Интернет]. 11 июль 2026 г. [цитируется по 29 сентябрь 2026 г.];2(4):80-94. доступно на: https://pstjournal.uz/index.php/pst/article/view/153