WIBOWO, . N.; PISCESA, .; TAJUNNISA, . NUMERICAL INVESTIGATION OF GEOPOLYMER REINFORCED CONCRETE BEAMS UNDER FLEXURAL LOADING USING 3DNLFEA. Journal of Civil Engineering, [S. l.], v. 37, n. 1, p. 27, 2025. DOI: 10.12962/j20861206.v37i1.7628. Disponível em: https://journal.its.ac.id/index.php/jce/article/view/7628. Acesso em: 6 dec. 2025.