Le Thi Minh Tam, Nguyen Viet Ngu, and Phan Bich Ngoc. “DESIGN AND CONTROL OF 3 DOFs ROBOT MANIPULATORS IN JOINT SPACE”. UTEHY Journal of Applied Science and Technology, Vol. 38, June 2023, pp. 43-47, http://jst.utehy.edu.vn/index.php/jst/article/view/610.