Suwarno, Suwarno, Itsuo Goto, and Hiroshi Masujima. “Comparison of Chemical Properties and Application As Acid Soil Amendment of Pretreatment Center Slag and Other Slags”. Jurnal Ilmu Tanah dan Lingkungan 2, no. 2 (October 1, 2001): 8-17. Accessed May 7, 2024. https://journal.ipb.ac.id/index.php/jtanah/article/view/2310.