“INTERNATIONAL EXPERIENCE IN MARKETING MANAGEMENT AND PRODUCTION EFFICIENCY IMPROVEMENT: LEAN MANAGEMENT AND THE REFA METHOD” (2026) International scientific-electronic journal “Pioneering studies and theories”, 1(1), pp. 3–5. Available at: https://pstjournal.picllc.uz/index.php/pst/article/view/104 (Accessed: 12 August 2026).