Ismail, Sallehan, Izzat Anuar, and Ani Maslina Saleh. 2025. “Influence of Density and Compressive Strength on Intrinsic Air Permeability and Porosity of Hybrid Fibre-Reinforced Lightweight Foamed Concrete”. Semarak International Journal of Civil and Structural Engineering 4 (1):31-45. https://doi.org/10.37934/sijcse.4.1.3145a.