HERLINA RAHIM; SALSABILLA. Geopolymer-Based Mortar Utilizing Palm Oil Fuel Ash and Rice Husk Ash as Full Cement Replacement for Green Building Materials. Science Get Journal , [S. l.], v. 3, n. 4, p. 15–29, 2026. DOI: 10.69855/science.v3i4.871. Disponível em: https://gpijournal.com/index.php/science/article/view/871. Acesso em: 1 nov. 2026.