Hoang Thanh Thao. “RESEARCH TO IMPROVE SOME PARTS ON RC701 SPINNING MACHINE (MARZOLI - ITALIA) TO SPIN CORE SPUN YARN”. UTEHY Journal of Applied Science and Technology, Vol. 34, June 2022, pp. 25-30, http://tapchi.utehy.edu.vn/index.php/jst/article/view/536.