PurnamayaniR., SabihamS., .S., & DarusmanL. K. (2004). Value of the Zero Point of Charge (ZPC) and Its Relation with Potassium Sorption in Coastal Peatland of Jambi and Central Kalimantan. Jurnal Ilmu Tanah Dan Lingkungan, 6(2), 75-82. https://doi.org/10.29244/jitl.6.2.75-82