L.RAMYA, A., G. KUMAR, and A. SATYAVENI. “EFFECT OF RICE HUSK ASH ON THE PROPERTIES OF EXPANSIVE SOILS”. International Journal of Technical Innovation in Modern Engineering & Science, vol. 5, no. 1, Nov. 2021, pp. 22-34, https://ijtimes.com/index.php/ijtimes/article/view/2147.