@article{ijtech-3537, title={Valorization of Geothermal Silica and Natural Bentonite through Geopolymerization: A Characterization Study and Response Surface Design}, author={Himawan Tri Bayu Murti Petrus,Muhammad Olvianas,Widi Astuti,Muhammad Istiawan Nurpratama}, volume={12}, number={1}, year={2021}, month={Jan}, pages={195-206}, DOI={https://doi.org/10.14716/ijtech.v12i1.3537}, journal={International Journal of Technology}, ISSN={2087-2100}}