SimbolonD. R., SumawinataB., & DjajakiranaG. (2023). The Solubility of Nickel on Mixed Ultramafic Soil with Peat Soil at Saturated and Unsaturated Water Condition. Jurnal Ilmu Tanah Dan Lingkungan, 25(1), 25-29. https://doi.org/10.29244/jitl.25.1.25-29