TY - JOUR T1 - Effect of sawdust as porosity agent on final properties of geopolymers JO - CerĂ¢mica A1 - Pereira, D. C. A1 - Amaral-Labat, G. A1 - Silva, G. F. B. Lenz e SN - 0366-6913 UL - 10.1590/0366-6913201965S12607 VL - 65 Y1 - 2019 PB - Brasil ER -