SAVDO, YASHASH VA OVQATLANISH BO‘YICHA XIZMATLAR SOHASIDA YARATILGAN QO’SHILGAN QIYMAT HAJMINI EKONOMETRIK MODELLASHTIRISH. Journal of Universal Science Research, [S. l.], v. 2, n. 4, p. 195–205, 2024. DOI: 10.66301/jusr.v2i4.5263. Disponível em: https://www.universalpublishings.com/index.php/jusr/article/view/5263. Acesso em: 12 nov. 2026.