R. Suwondo, M. Suangga, M. Keintjem, and T. Alzhrani, “Structural Efficiency and Embodied Carbon Assessment of Pre-Engineered Versus Conventional Steel Beams”, J. eng. sustain. dev., vol. 30, no. 3, pp. 299–309, May 2026, doi: 10.31272/jeasd.3791.