@inbook{inbook, title = {{Activated Hybrid Cementitious System Using Portland Cement and Fly Ash with Na2SO4}}, publisher = {{Springer International Publishing}}, url = {{}}, year = {{2017}}, month = {{4}}, author = {{Velandia DF and Lynsdale CJ and Provis JL and Ramirez F and Gomez AC}}, doi = {{10.1007/978-3-319-55463-1_7}}, isbn = {{9783319554617}}, pages = {{139-144}}, note = {{Accessed on 2024/09/20}}}