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Zaini MSI, Hasan M, Jamal MKF. Strength of Problematic Soil Stabilised with Gypsum and Palm Oil Fuel Ash. Constr. [Internet]. 2024 Aug. 22 [cited 2025 Mar. 14];4(2):170-5. Available from: https://journal.ump.edu.my/construction/article/view/10735