Usmonov Otabek Ilxomjon o'g'li. “METROPOLITENDA YO’LOVCHILARGA SIFATLI XIZMAT KO’RSATISH”. Journal of Universal Science Research, vol. 2, no. 1, Jan. 2024, pp. 177-82, https://universalpublishings.com/index.php/jusr/article/view/3888.