MUSTAFOYEV , K. . LOOPER MECHANISM OF THE SEWING MACHINE. Евразийский журнал академических исследований, [S. l.], v. 3, n. 4, p. 16–18, 2023. Disponível em: https://in-academy.uz/index.php/ejar/article/view/11848. Acesso em: 10 янв. 2025.