M. S. Mansur, P. Suprobo, Y. Tajunnisa, and A. K. Apsari, “An Experiment of Shear Strength Reinforced Geopolymer Concrete Beam Based High-Calcium Fly Ash with Varian Shear Span-to-Depth Ratio ”, JCE, vol. 38, no. 3, p. 139, Jul. 2025.