Vu Duc Phuc, Do Huy Tung, and Pham Van Lieu. “AN EQUIVALENT LINEARIZATION APPROACH TO THE DESIGN OF MULTIPLE DYNAMIC VIBRATION ABSORBERS BASED ON WEIGHTED DUAL CRITERION”. UTEHY Journal of Applied Science and Technology, Vol. 32, Dec. 2021, pp. 7-12, http://jst.utehy.edu.vn/index.php/jst/article/view/491.