Moayed, R. , Oskoei, S. , Mousavi, S. , Beydokhti, A.. "Mechanical Properties of Cement Slurry by Partially Substitution of Industry Waste Natural Pozzolans". World Academy of Science, Engineering and Technology, Open Science Index 157, International Journal of Geotechnical and Geological Engineering, (2020), 14(1), 14 - 18.