Matyoqubova Dilfuza Olimboyevna, Abu Rayhon Beruniy nomidagi. REGIONAL DIFFERENCES IN THE WORLD: ANALYSIS OF KEY DEVELOPMENT INDICATORS AND SOLUTIONS TO REDUCE THEM. MJ [Internet]. 2025 Nov. 29 [cited 2026 Oct. 11];(11). Available from: https://marketingjournal.uz/index.php/mj/article/view/579