Halim H, N, Fattah A, Saing Z. THE EFFECT OF GYPSUM TREATED CLAY AS A ROAD SUBGRADE MATERIAL. INTERNATIONAL JOURNAL OF GEOMATE [Internet]. 2022 Aug. 1 [cited 2024 Apr. 26];23(96):137-44. Available from: https://geomatejournal.com/geomate/article/view/3409