Rao DDK, Mohammed SS, Samsonu G. A LABORATORY INVESTIGATION ON THE EFFICIENCY OF EXPANSIVE SOIL TREATED WITH PHOSPHOGYPSUM AND CALCIUM CHLORIDE AS SUBGRADE FOR FLEXIBLE PAVEMENTS. IJTIMES [Internet]. 2019 Nov. 1 [cited 2024 Sep. 27];5(11):39-51. Available from: https://ijtimes.com/index.php/ijtimes/article/view/40