Muhamad, Ahmad Zainab, et al. “SYNTHESIS AND CHARACTERIZATION OF INORGANIC POLYMERS (GEOPOLYMERS) PRODUCED FROM METAKAOLIN USING SODIUM SILICATE AND MILLET HUSK ASH AS ACTIVATORS ”. Journal of Material Characterization and Applications, vol. 2, no. 2, Aug. 2024, pp. 30-41, doi:10.5281/zenodo.13709576.