B. Rani, S. Swamy, Bharath, R. P. Dinakar, and Raghu, “IMPACT OF QUARRYING AND CRUSHING ON SOIL QUALITY: A CASE STUDY IN TUMKUR DISTRICT, KARNATAKA”, Int. J. Res. Granthaalayah, vol. 5, no. 4RASM, pp. 11–16, Apr. 2017.