Pham Quang Dong, Tran The Viet, and Trinh Minh Thu, “RELATION BETWEEN THE PLASTICITY INDEX AND KEY CONSOLIDATION PARAMETERS OF SOFT GROUND STABILIZED BY VACUUM PRELOADING TOGETHER WITH VERTICAL DRAINS”, INTERNATIONAL JOURNAL OF GEOMATE, vol. 18, no. 69, pp. 224–229, May 2020.