GEOPOLYMERS SYNTHESIZED FROM PHILIPPINE COAL ASH AS SUSTAINABLE ALTERNATIVE LOW HEAT TRANSMISSION AND FIRE-RESISTANT MATERIAL FOR BUILDINGS. ASEAN Engineering Journal, [S. l.], v. 11, n. 3, p. 45–56, 2021. DOI: 10.11113/aej.v11.16871. Disponível em: https://journals.utm.my/aej/article/view/16871.. Acesso em: 22 nov. 2024.