Putra, H. et al. 2017. Optimum Condition for the Application of Enzyme-Mediated Calcite Precipitation Technique as Soil Improvement Technique. International Journal on Advanced Science, Engineering and Information Technology. 7, 6 (Dec. 2017), 2145–2151. DOI:https://doi.org/10.18517/ijaseit.7.6.3425.