N, S., B. R, N. N, and M. Reddy. “Study on Strength Characteristics of Rice Husk Ash Concrete”. SAMRIDDHI : A Journal of Physical Sciences, Engineering and Technology, Vol. 11, no. SUP, Dec. 2019, pp. 57-60, doi:10.18090/samriddhi.v11iSUP-1.17368.