KHODJAEV , Nodir. IMPROVING THE EFFICIENCY OF THE DUAL MODEL. MMIT Proceedings, [S. l.], p. 8–10, 2023. DOI: 10.61587/mmit.uz.vi.78. Disponível em: https://oldmmit.i-edu.uz/index.php/journal/article/view/78. Acesso em: 17 jul. 2026.