EKAPUTRI, . J.; TRIWULAN, . GEOPOLYMER CONCRETE USING FLY ASH, TRASS, SIDOARJO MUD BASED MATERIAL. Journal of Civil Engineering, [S. l.], v. 31, n. 2, p. 57, 2025. DOI: 10.12962/j20861206.v31i2.7594. Disponível em: https://journal.its.ac.id/index.php/jce/article/view/7594. Acesso em: 6 dec. 2025.