1. Pulverized-fuel ash and it's uses in concrete;Al-Ani;Mag. Concr. Res.,1989
2. Properties of blended cements made from rice husk ash;Mehta;ACI J.,1979
3. New concrete materials;Swamy,1983
4. Cement replacement materials;Swamy,1986
5. Fly ash for use in concrete—a critical review;Berry;ACI J.,1980