Darmawan, M. S. ., Yuyun Tajunnisa, . P. . Suprobo, W. Sutrisno, and M. . Wildan Aziz. “COMPARATIVE STUDY OF FLEXURAL PERFORMANCE OF GEOPOLYMER AND PORTLAND CEMENT CONCRETE BEAM USING FINITE ELEMENT ANALYSIS”. GEOMATE Journal, vol. 23, no. 95, July 2022, pp. 1-9, https://geomatejournal.com/geomate/article/view/3489.