“SAVDO, YASHASH VA OVQATLANISH BO‘YICHA XIZMATLAR SOHASIDA YARATILGAN QO’SHILGAN QIYMAT HAJMINI EKONOMETRIK MODELLASHTIRISH”. Journal of Universal Science Research 2, no. 4 (April 20, 2024): 195–205. Accessed May 18, 2026. http://universalpublishings.com/index.php/jusr/article/view/5263.