Khudoyberdiyeva Makhliyo Abdukaxorovna, Raximov Dustmurod Otamurodovich, and Anvarova Kamola Axtamjon qizi. “INVESTIGATION OF SMALL VIBRATIONS IN SEWING MACHINE NEEDLE MECHANISMS”. European Scholar Journal, vol. 2, no. 5, June 2021, pp. 275-8, https://scholarzest.com/index.php/esj/article/view/851.