1. European Standard. EN 450 fly ash for concrete – definitions, requirement and quality control, Brussels; 1994.
2. Annual Book of ASTM Standards. ASTM C618 standard specification for fly ash and raw or calcined natural pozzolan for use as a mineral admixture in Portland Cement Concrete; 2003.
3. British Standard. BS 3892 Part 1 specification for pulverized-fuel ash for use with Portland cement Part 1, London; 1993.
4. Thai Industrial Standards. TIS 2135 standard Specification for coal fly ash; 2002.
5. Strength and shrinkage properties of mortar containing a nonstandard high-calcium fly ash;Cengiz;J Cem Concr Res,2004