@article{khater_2019,  title={Development and characterization of sustainable lightweight geopolymer composites},  volume={65},  ISSN={0366-6913},  url={https://doi.org/10.1590/0366-69132019653732551},  DOI={10.1590/0366-69132019653732551},  number={373},  journal={Cerâmica},  publisher={Associação Brasileira de Cerâmica},  author={Khater, H. M.},  year={2019},  month={Jan},  pages={153–161} }