Noerochim, L., Satriawangsa, G. A., & Widodo, A. (2016). Recovery of Lithium from Geothermal Fluid at Lumpur Sidoarjo by Adsorption Method. Journal of Engineering and Technological Sciences, 48(2), 200-206. https://doi.org/10.5614/j.eng.technol.sci.2016.48.2.6