Tran Nguyen Tu Uyen, Bui Mai Huong, and Hoang Thanh Thao. “STUDY ON THE INFLUENCE OF DEGUMMING TREATMENT TO NATURAL COLOR- SILK INTENSITY”. UTEHY Journal of Applied Science and Technology, Vol. 34, June 2022, pp. 44-48, http://tapchi.utehy.edu.vn/index.php/jst/article/view/539.