Hartono, Arief. “PHOSPHORUS SORPTION KINETIC ON ACID UPLAND SMECTITIC SOIL AMENDED WITH CALCIUM CARBONATE AND CALCIUM SILICATE”. Jurnal Ilmu Tanah dan Lingkungan 11, no. 2 (October 8, 2019): 58-62. Accessed May 5, 2024. https://journal.ipb.ac.id/index.php/jtanah/article/view/27809.