UMMAH, Galih Syifa’ul; PISCESA, Bambang; TAJUNNISA, Yuyun. Stress-Strain Behavior of Confined Class C Fly Ash-Based Geopolymer Concrete. IPTEK The Journal of Engineering, [S. l.], v. 10, n. 2, p. 137–146, 2025. Disponível em: https://journal.its.ac.id/index.php/joe/article/view/8253. Acesso em: 28 jan. 2026.