Rao, D. K. ., and K. P. . Varma. “EXPERIMENTAL STUDY ON THE CYCLIC PRESSURES OF UNTREATED AND TREATED MARINE CLAY USING PHOSPHOGYPSUM AND LIME AS SUBGRADE FOR FLEXIBLE PAVEMENTS”. International Journal of Technical Innovation in Modern Engineering & Science, vol. 4, no. 10, Oct. 2018, pp. 172-81, https://ijtimes.com/index.php/ijtimes/article/view/517.