Effect of Multi-Variable Mix Composition on the Setting Time and Flow Properties of Fly Ash-GGBFS Geopolymer Mortar. Borneo Engineering: Jurnal Teknik Sipil, [S. l.], v. 9, n. 2, p. 196–207, 2025. DOI: 10.35334/be.v9i2.310. Disponível em: https://jurnal.ubt.ac.id/index.php/bejts/article/view/310. Acesso em: 18 sep. 2026.