ANTONIUS, A. L. HAN, MUSLIKH, and N. K. ANGGRAINI. “Investigation on Strength and Ductility of Confined Geopolymer Concrete Subjected to Axial Loads”. Scientific Review Engineering and Environmental Sciences (SREES), vol. 33, no. 2, May 2024, pp. 163-84, doi:10.22630/srees.9212.