Shruthi A. N., Prasanna H. S., Shivaraja B., Rashmitha A. C., Purushothama K., Shaikhdawood. “Comparative Study of Index Properties of Natural Expansive Soils With Bentonite-Sand Mixtures ”. International Journal of Advanced Science and Technology 29, no. 08 (June 1, 2020): 1957- 1965. Accessed September 25, 2021. https://sersc.org/journals/index.php/IJAST/article/view/23270.