R.A.N. Dilrukshi, Jun Watanabe, and Satoru Kawasaki. “STRENGTHENING OF SAND CEMENTED WITH CALCIUM PHOSPHATE COMPOUNDS USING PLANT-DERIVED UREASE”. GEOMATE Journal 11, no. 25 (November 21, 2021): 2461–2467. Accessed April 26, 2024. https://geomatejournal.com/geomate/article/view/2740.