Trung, H. T., P. N. Vuong, and T. T. T. Van. “Comparative Static Analysis in Reinforced Concrete Superstructure Beams: Working Stress Vs. Limit State Approaches”. Engineering, Technology & Applied Science Research, vol. 15, no. 3, June 2025, pp. 23938-43, doi:10.48084/etasr.11229.