«EMPIRICAL ASSESSMENT OF THE INVERSE RELATIONSHIP BETWEEN ACTIVE BUSINESS DENSITY AND SHADOW ECONOMY SCALE ACROSS REGIONS OF UZBEKISTAN» (2026) International scientific-electronic journal “Pioneering studies and theories”, 2(4), сс. 107–117. доступно на: https://pstjournal.uz/index.php/pst/article/view/151 (просмотрено: 29 сентябрь 2026).