SOIL TREATMENT BY BENTONITE AND FLY ASH FOR LINERS OF WASTE LANDFILL: A CASE STUDY IN VIETNAM. INTERNATIONAL JOURNAL OF GEOMATE [Internet]. 2019 Jun. 12 [cited 2026 Aug. 19];17(63):315-22. Available from: https://geomatejournal.com/geomate/article/view/2590