Indian standards institution . ISI. (1981). Specification for fly ash for use as pozzolana and admixture,IS: 3812-1981. Indian Standards Institution.
Chicago Edition CitationIndian standards institution . ISI. Specification for Fly Ash for Use as Pozzolana and Admixture,IS: 3812-1981. New Delhi: Indian Standards Institution, 1981.
MLA Edition CitationIndian standards institution . ISI. Specification for Fly Ash for Use as Pozzolana and Admixture,IS: 3812-1981. Indian Standards Institution, 1981.