Iskandar, Iskandar. “Effect of Interlayer Cation Valence on Formation and Chemical Characteristics of Aluminumhydroxy-Vermuculite”. Jurnal Ilmu Tanah dan Lingkungan 7, no. 1 (April 1, 2005): 6–10. Accessed December 24, 2025. https://journal.ipb.ac.id/jtanah/article/view/2365.