«INTEGRATED MULTI-LEVEL ASSESSMENT OF INNOVATION AND INVESTMENT EFFICIENCY IN SPORTS EQUIPMENT MANUFACTURING BASED ON EVIDENCE FROM UZBEKISTAN» (2026) International scientific-electronic journal “Pioneering studies and theories”, 2(5), сс. 39–45. доступно на: https://pstjournal.uz/index.php/pst/article/view/157 (просмотрено: 2 ноябрь 2026).