Improving Geopolymer Characteristics with Addition of Poly-Vinyl Alcohol (PVA) Fibers. Civil Engineering Dimension, [S. l.], v. 23, n. 1, p. 28–34, 2021. DOI: 10.9744/ced.23.1.28-34. Disponível em: https://ced.petra.ac.id/index.php/civ/article/view/22803. Acesso em: 24 apr. 2026.