SuswantoT., ShamshuddinJ., OmarS. S., MatP. and TehC. (2007) “Alleviating an Acid Sulfate Soil Cultivated to Rice (Oryza sativa) Using Ground Magnesium Limestone and Organic Fertilizer”, Jurnal Ilmu Tanah dan Lingkungan, 9(1), pp. 1-9. doi: 10.29244/jitl.9.1.1-9.