Rao DDK, Kumar AB. A LABORATORY INVESTIGATION ON THE EFFICIENCY OF EXPANSIVE SOIL TREATED WITH RICE HUSK ASH AND FERRIC CHLORIDE AS SUB GRADE FOR FLEXIBLE PAVEMENTS. IJTIMES [Internet]. 2019 Dec. 1 [cited 2024 Sep. 27];5(12):12-23. Available from: https://ijtimes.com/index.php/ijtimes/article/view/17